Exponents and Square Roots

Exponent Rules

100

4³4⁸

4¹¹

200

(8³)⁹

8²⁷

300

(x²y) * (x⁷y⁷⁾

x⁹y⁸

400

(4x³)⁰

1

500

(m^-9b⁷)³

b²¹/m²⁷

Perfect Squares

100

5²

25

200

81

9²

300

7²

49

400

12²

144

500

64

8²

Estimating

100

square root of 70

between 8 and 9

200

square root of 2

between 1 and 2

300

square root of 124

between 11 and 12

400

square root of 35

between 5 and 6

500

square root of 22

between 4 and 5

Simplifying Square Roots

100

square root of 24

2 root 6

200

square root of 8

2 root 2

300

square root of 500

10 root 5

400

square root of 72

6 root 2

500

square root of 75

5 root 3

Year in Review

100

point-slope form

y-y₁ = m(x-x₁)

200

slope between (4, 9) and (-2, 27)

-3

300

4 kinds of slope

positive, negative, zero, undefined

400

solve the system of equations

y = 3x + 2    and   -4x + 2y = 8

(2,8)

500

solve for x

3x + 4(x - 1) = 10

x=2