Chapter 2 Review

x and ÷

100

(−84)÷(−12)

7

200

The product or quotient of two integers with the same sign is ______. The product or quotient of two integers with different signs is _____.

Positive, Negative

300

(−3)(−5)(−2)

-30

400

-4(17)

-68

500

A student said -125/5 = 25. What is the student's error?

They forgot the negative. 

Frac and Dec

100

-0.75×2.4

-1.8

200

7/4 × 14/15

49/30 or 1 19/30

300

1 3/4 ÷ -7/8

-2

400

8.64÷1.2

7.2

500

(-1/2×3/5) - 5/10

-4/5

Exponents

100

-6²

-36

200

(−3)²+2³

17

300

12 ÷ 3+ 2²

8

400

(-5)² - 3³

-2

500

x = 2, y=-4, z = 3

xz - y² = _____

-10

Putting It All Together

100

Which is greater? 5/8 or 0.58

5/8 (5/8 = 0.625)

200

Find the mean: 6.5, 7, 4.5, 8, 9

7

300

Order from least to greatest:

0.72 ,∣−0.6∣, 5/3, 0.68, 1/7

1/7, ∣−0.6∣, 0.68, 0.72, 5/3

400

Order the numbers from least to greatest:

0.65, -3/4, 0.7, -0.68

-3/4, -0.68, 0/65, 0.7

500

Find the mean: 12, 18, -5, 22, -3

8.8