Foster's Algebra 2 SOL review
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
Help!
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| The _______ of a polynomial tells at most how many times it crosses the x-axis | Degree
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| When solving absolute value inequalities, solve > and > as _________. | OR
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| When solving absolute value inequalities, solve < and < as _________. | AND
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| The two types of compound inequalities | And, OR
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| a+b=b+a Change in order | Commutative Of Addition
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| a+0=a Adding zero to a number does not change its value | Identity Of Addition
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| Switch sides a=b, b=a | Symmetric Property
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| If a=b, and b=c, then a=c | Transitive Property
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| a*b=b*a Change in order | Commutative Of Multiplication
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| a*1=a Multiplying by 1 | Identity Of Multiplication
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| a(b+c)=ab+ac or ab+ac=a(b+c)(Factor GCF) | Distributive Property
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| When adding and multiplying real numbers, only one answer that is also a real number | Closure Property
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| If a=b,then a+c=b+c Add same # to both sides | Addition Property
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| a=a Both sides are the same | Reflexive Property
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| a+(-a)=0 A number added to its opposite =0 | Inverse Of Addition
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| (a+b)+c=a+(b+c)Change in grouping | Associative Of Addition
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| If a=b,then a-c=b-c Subtract same # from both sides | Subtraction Property
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| One quantity may replace another | Substitution Property
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| a*(1/a)=1A number times its inverse =1 | Inverse Of Multiplication
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| (a*b)*c=a*(b*c) A change in grouping | Associative Of Multiplication
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| A function that looks like "U" | Quadratic Function
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| A function that looks like "V" | Absolute Value Function
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| A function that looks like a set of stairs | Step Function
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| A function that is a line | Linear Function
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| A function that is of the form y=x. It is a line that is through the origin with a slope of 1. | Identity Function
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| A function that passes through the origin with a slope not equal to 0 | Direct Variation Function
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| A function that looks like a hill. A function of the form y=ab^x | Exponential Function
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| Name the 4 methods to solve quadratic equations | 1. Graphing 2. Factoring 3. Completing the square 4. Quadratic formula
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| Formula to factor a difference of squares a^2 - b^2 | (a-b)(a+b)
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| Formula to factor a sum of cubes a^3+b^3 | (a+b)(a^2 - ab + b^2)
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| Formula to factor a difference of cubes a^3 - b^3 | (a-b)(a^2+ab+b^2)
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| A line that goes UP and to the RIGHT has _________ slope | Positive
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| A line that goes DOWN and to the RIGHT has __________ slope | Negative
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| A horizontal line has__________ slope | Zero
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| A vertical line has _____________ slope | No slope or undefined
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| Which conic equation only has one variable squared? | Parabola
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| Which conic equation has subtraction? | Hyperbola
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| Which two conic equations always equal 1? | Ellipse and Hyperbola
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| A sequence where each term is found by adding a constant to the previous term | Arithmetic sequence
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| A sequence where each term is found by multiplying a constant to the previous term | Geometric sequence
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| Σ means to _________ the terms of the sequence | Add
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| A quadratic equation has an exponent of ______. | 2-The largest exponent of the equation is 2.
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| An exponential equation has an exponent of ______ | x- The exponent is an x.
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| To clear the memory on the TI-83(Plus) what buttons do you push? | 2nd +,7,1(enter),2
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| What do you do to solve a quadratic using the calculator? | Graph the equation under y=, find the x intercepts (where it crosses the x axis) or looking at the table find the x value that has a 0 in y column. Or use the store as button or substitution on SOL test.
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| i^2 = ______ | -1
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| i=________ | square root of -1
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| True or False A translation of a line changes the slope of it. | False- a translation changes the y-intercept, not the slope
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| The formula for a direct variation is ____________ | y=kx
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| The formula for an inverse variation is ____________ | xy=k
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| The formula for a joint variation is ____________ | y=kxz
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| Which conic equation has subtraction in the formula? | Hyperbola
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Created by:
elizabeth.foster
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