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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