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FTCE Math 5-9 Pract
FTCE Math 5-9 Practice Questions
| Question | Answer |
|---|---|
| x^2-2x+4=0 How many and what type of roots? | No real roots |
| 14mL = ______ Liters | .014 |
| If a club had 12 members, in how many ways can a presidents, vice president, and secretary be chosen? | 1320 |
| centi- = ___________ | .01 hundredths |
| What are whole numbers? | The natural counting numbers along with zero |
| Which property is illustrated? 2x(-45y) =-45y(2x) | Community property of multiplication |
| milli- = ___________ | .001 thousandths |
| What are real numbers? | Rational and irrational numbers |
| What are irrational numbers? | Any number that cannot be expressed as a ratio such as pi, sqrt 2, sqrt 3, sqrt 99. |
| What is a rational expression? Give 3 examples. | 9/4, 3x^2+5x/y+3, 9y/10z |
| Find the product and leave as exponential expression. (-4)^6 x (-4)^9 | (-4)^15 |
| Add √3 + √3 | 2√3 |
| √7 x √7 | 7 |
| What do whole numbers consist of? | The natural counting numbers and zero |
| hecto= | 100 |
| 25 degrees C = _______ degrees F | 77 |
| 6x^3y + 8x^2 - 4xy | 2xy(3x^2 + 4x -2) |
| Find the slope, x-inctp, y- intcp x-2y=14 | Slope= 1/2 x-intcp = (14,0) y-intcp = (0,-7) |
| Counting numbers along with zero are known as ______ ________. | Whole numbers |
| What is the percent increase or decrease? 34.24 to 32.00 | 34.24-32.00=2.24 n(32)=2.24 n=0.07 7% decrease |
| Jon's test scores were: 84, 89, 92. He needs a 90% in the class. What is the lowest score he can get on the next test? | 90=84+89+92+x / 4 (Multi each side by 4 to clear) (4x90)=(84+89+92+x times 4) 360=265x x=95 |
| Name which sets of numbers -49/7 belongs to: real, irrational, integer, whole, irrational | real, rational, integer |
| write 5^-8 using a negative exponent | 1/5^-8 |
| Name all the sets to which -√17 belongs to real, rational, irrational, integer, whole | real, rational, integer, whole |
| Name all the sets to which 4/5 belongs to: real, rational, irrational, integer, whole | real, rational |
| The purse was originally $20. It is now $30. What is the percent of change? | Change/original 10/20 50% |
| What % of 70 is 89? Round to the nearest hundredth. | 127.14 |
| What property does this illustrate? 10x+12y = 12y +10x | Community property of addition |
| 27^-2/3 | 27^-2/3 --> 1/27^2/3 --> 1/(3√27)^2 --> 1/(3√729) --> 1/9 |
| You estimate your school is 59 feet tall. It is 68 feet tall. Find the percent of error. | (estimated value - actual value)/(actual value) (59-65) / 59 -9/59 --> .1525 = 15% |
| Express 9/500 as a percent. | 1.8% |
| What percent of 1.4 is 0.7% | 50% |
| (y^3-2y^2-y+2) / (y-2) | y^2-1 |
Created by:
dcooney
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