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math for ACT

Quiz yourself by thinking what should be in each of the black spaces below before clicking on it to display the answer.
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Question
Answer
IMAGINARY NUMBERS   show
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show 2  
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show 1 and itself  
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show divisible by more than just 1 and itself eg..4,6,8,9,10,12,14,15...  
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show numbers are multiplied by themselves. eg..2x2=4 3x3=9 1,4,9,16,25,36...  
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cubed means   show
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show perimeter=side+side+side area=1/2bh  
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square formulas   show
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rectangle formulas   show
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show perimeter = 2(l+w), or 2l +2w Area =bh  
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Trapezoid formulas   show
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show circumference = 2pieR or pieD area = pieR2  
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cube formulas   show
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rectangular prism   show
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show .01 1%  
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show .1 10%  
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show .2 .20 20%  
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show .3 .30 30%  
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2/5 = 4/10   show
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1/2 = 5/10 =   show
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3/5 = 6/10 =   show
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7/10 =   show
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show .8 .80 80%  
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show .9 .90 90%  
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show .25 25%  
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show .75 75%  
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1/3 =   show
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2/3 =   show
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1/8 =   show
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show .375 = .37 1/2 = 37 1/2%  
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5/8 =   show
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show .875 = .87 1/2 = 87 1/2%  
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show .16 2/3 = 16 2/3%  
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show .83 1/3 = 83 1/3%  
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1 =   show
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show 2.00 = 200%  
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show 3.5 = 3.50 = 350%  
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show yard  
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36 inches =   show
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1760 yards =   show
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5280 ft =   show
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5 1/2 yards =   show
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show 1 sq ft  
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16 oz =   show
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show 1 ton  
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show 1 cup  
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2 cups   show
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show 1 quart  
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4 quarts   show
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8 dry quarts   show
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show 1 bushel  
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10 yrs   show
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100 yrs   show
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kilometer =   show
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show 100 meters  
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dekameter(dam)   show
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show 1 meter  
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1000 millimeters(mm)   show
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show 1 liter  
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1000 liters   show
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show quotient divisor dividend ratio parts  
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show formed by two intersecting lines,across from each other,always equal  
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adjacent angles   show
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show 90 degrees  
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show measures 180 degrees  
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angle bisector   show
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show two angles whose total is 180 degrees  
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show two angles whose total is 90 degrees  
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show two points  
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show never meet; slopes are the same  
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show meet at right angles; slopes are opposite reciprocals(ex: 1/3 and -3)  
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polygon   show
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regular polygon   show
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show three sided polygon; interior is 180 degrees  
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show all sides are equal  
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isosceles triangle   show
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scalene triangle   show
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show angles opposite equal sides are equal  
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in a triangle - an exterior angle   show
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show a line segment that connects the vertex and the midpoint of the opposite side  
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show four-sided polygon interior angles total 360 degrees  
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parallelogram   show
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show a parallelogram with equal sides  
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show a quadrilateral with two parallel sides  
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pentagon   show
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show SIX sided polygon  
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show a line segment from the center of the circle to the circle itself  
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show a line segment that starts and ends on the circle and goes through the center  
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show a line segment that starts and ends on the circle  
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show a part of the circle  
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to reduce a fraction   show
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show line them up and multiply straight across  
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show invert the second and multiply  
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show divide denominator into numerator  
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order of operation   show
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show another fraction  
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show express a fraction  
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in an average question you should think   show
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show do the opposite of addition and subtract 7  
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3x + 7 = 28 the second step   show
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show =  
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show x(multiply)  
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show x,y,z(your favorite variable  
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show x/100  
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show add  
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one equation and two variables   show
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working backwards on math questions   show
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when you solve an inequality, remember if you multiply or divide by a negative number   show
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degrees in a circle   show
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degrees in a quadrilateral   show
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degrees in a line   show
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degrees in a perpendicular angle   show
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degrees in a triangle   show
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in geometry, because the problems are always drawn to scale   show
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if you have no diagram   show
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Transitive axiom   show
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show Cross multiplying can be used only when the format is two fractions separated by an equal sign.  
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reflexive   show
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axiom (a=a)   show
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Symmetric axiom   show
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show  
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cross multiplying in algebra   show
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Addition/Subtraction Method   show
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substitution method   show
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show Graph each equation on the same graph. The coordinates of the intersection are the solution.  
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show add the exponents of the same bases: x4(x3) = x7. 9882.html#ixzz0knPnlwRf  
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show subtract the exponent of the divisor from the exponent of the dividend of the same base: x8/x3 = x5.  
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show Combine equations to eliminate one variable. The equations may need to be multiplied by a common multiple first.  
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show add/subtract like terms only  
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multiply two polynomials   show
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show first-outer-inner-last is often used when multiply binomial  
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binomial   show
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show divide each term by the monomial  
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show make sure both are in descending order, then use long division (divide by first term, multiply, subtract, bring down).  
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show rate x time  
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show principal x rate x time  
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show rate of work x time worked  
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How many irrational numbers are between 1 and 6   show
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A number is divisible by 2 if its last digit is   show
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show 168 is divisible by 3 since the sum of its digits is 15 (1+6+8=15), and 15 is divisible by 3.  
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show 316 is divisible by 4 since its last two digits are 16 and 16 is divisible by 4.  
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show 195  
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show 168 is divisible by 6 since it is divisible by 2 AND it is divisible by 3.  
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A number is divisible by 8 if the number formed by its last three digits is divisible by 8.   show
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show 549 is divisible by 9 since the sum of its digits is 18 (5+4+9=18), and 18 is divisible by 9.  
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show 1 eg 1490 to the zero power = 1  
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any number raised sto the 1st power is itself   show
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a negative sign applied to a group   show
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show # Change the problem to an addition problem. * Subtracting a negative becomes adding a positive. * Subtracting a positive becomes adding a negative.  
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show neg+neg=neg pos+pos=pos poa+neg subtract keep the sign of the larger number  
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show * A positive times a positive equals a positive. * A negative times a negative equals a positive. * A positive times a negative equals a negative. * A negative times a positive equals a negative.  
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show # positive divided by a positive equals a positive. # A negative divided by a negative equals a positive. # A positive divided by a negative equals a negative. # A negative divided by a positive equals a negative.  
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To cube a number   show
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a root is   show
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show parentheses-exponents and roots-do all multiplication and division left to right -do what comes first do not do all multi than division do what comes first  
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Created by: carolyn495
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