7th Math Ch. 4 Review Y3

4-2 Exponents

100

3^3

3^3 = 9

200

3(10 - 7)^2

3(10 - 7)^2 = 27

300

Evaluate for m = 3

7m^2-5

58

400

Evaluate for a = -4

(2a + 1)^2

49

500

Evaluate for x = -3

-7x^3-5

184

4-4 Simplifying Fractions

100

Write in simplest form

3/15

1/5

200

Write in simplest form

16/52

4/13

300

Write in simplest form

(25m)/(5m)

5

400

Write in simplest form

(9x^2)/(27x)

x/3

500

(39x^5y^2)/(143x^9y)

(3y)/(11x^4)

4-7 Exponents and Multiplication

100

2^4 * 2^3

2^4 * 2^3=128

200

b * c^2 * b^6 * c^2

b * c^2 * b^6 * c^2 =  b^7c^4

300

7u^2v^5 * 9uv^3

63u^3v^8

400

(6t^5)^2

36t^10

500

3x^2•(4x^2)^3

192x^8

4-8 Exponents and Division

100

4^7/4^2

4^7/4^2 = 1024

200

2^3/2^3

1

300

(8m^2)/(10m^3)

4/(5m)

400

(28xy^7)/(32xy^12)

(28xy^7)/(32xy^12) = 7/(8y^5)

500

(16yx^4)/(9x^8y^2)

16/(9x^4y)

5-9 Powers of Products and Quotients

100

Simplify the expression

(2d)^4

16d^4

200

Simplify the expression

(x/3)^2

x^2/9

300

Simplify the expression

(-3(2))^2

36

400

Simplify the expression

(-1/2)^3

-1/8

500

Simplify the expression

((2a)/c^2)^4

(16a^4)/c^8