Ch1a Test Review

Real Numbers

100

What type of number is 81?

Rational – ℚ

Irrational – ℚ’

Integer –  ℤ

Natural – ℕ

Natural – ℕ

200

Classify 0.272727… using the most specific subset.

Rational – ℚ

Irrational – ℚ’

Integer –  ℤ

Natural – ℕ

 

Rational – ℚ

300

Classify −13/7 using the most specific subset.

Rational – ℚ

Irrational – ℚ’

Integer –  ℤ

Natural – ℕ

 

Rational – ℚ

400

Classify -7

Rational – ℚ

Irrational – ℚ’

Integer –  ℤ

Natural – ℕ

Integer –  ℤ

500

Classify 0.101001000100001... using the most specific subset.

Rational – ℚ

Irrational – ℚ’

Integer –  ℤ

Natural – ℕ

Irrational – ℚ’

Evaluate It

100

Evaluate 3a - 2b² when a=-2 and b=3.

-24

200

Evaluate 2(a+b)-a² when a=4 and b = -3.

-14

300

Evaluate a²-3ab+2b when a=-2 and b=5.

44

400

Evaluate 4(a-2b)+b² when a=5 and b=-2.

40

500

Evaluate (a²+2b)/3 when a=6 and b=3. 

14

Simplify and Exponents

100

Simplify

-|7-18| + 4(-3)

-23

200

(4x³y^-2)(3x^-1y⁵)

12x²y³

300

(x⁶y^-3z²)/(x²y^-1z²⁾

x⁴/y²

400

What is the degree of 3x⁴y³?

7

500

Simplify 5x²(2x³-4x+1)

10x⁵ - 20x³ + 5x²

Solve It

100

Solve 5x-7 = 28

x=7

200

Solve 4-3x=19

x=-5

300

Solve 7+2(3x-3)=25

x=4

400

Solve x/4 + 6 = 11

x=20

500

Solve 3(x-5)=2x+7

x=22

Inequality Challege

100

Solve 3x - 8> 13

x>7

200

Solve 5 - x/3 ≤ 1

x ≥ 12

300

Solve -4(2x-3) ≥ 20

x ≤ -1

400

Write an inequality for a number x is at least 9.

x ≥ 9

500

Solve -18 + 3(2x+1) < 9 - 2x

x < 3