Review

Algebraic Expressions

100

Evaluate when a√(b) ; when a = -3 and b = 16 

-12

200

Evaluate when -5(x + 2)²; when x = -3

-5

300

Evaluate when √ 2p; when p = 18

6

400

Use the non standard operations a ⊕ b = 2a + 3b.

Evaluate this 7 ⊕ 5

29

500

Use the non standard operations a ⊕ b = 2a + 3b.

Evaluate this (1 ⊕ 4) ⊕ 7

49

Cube Roots

100

3√(-125)  

-5

200

3√(125/216) Hint: Answer should be in a fraction.

5/6

300

3√(-8/27) 

-2/3

400

3√(27) - 16

-13

500

2 * 3√(-64)

-8

Equations

100

x - 5 = -9

x = -4

200

z + 3 = -6

x = -9

300

3y + 11 = -16

y = -9

400

6 = 1 - b

b = -5

500

-2(2x + 6) - 12 = 4

x = -7

Equations 2

100

-6x + 23 = - 2x + 15

x = 2

200

2(y - 4) = -4(y + 8)

y = - 4

300

|y + 3| = 17

y = 14 and y = -20

400

-2|5w - 7| + 9 = -7

w = 3 and w = 1/5

500

|2x + 6| = 4x

Check your solutions!

x = 3

Literal Equations

100

x - 3y = 20. Solve for x.

x = 20 + 3y

200

2x - 4y = 20. Solve for y.

y = -5 + 1/2x

300

18x + 6y = 12. Solve for y.

y = 2 - 3x

400

S = 2πr²+ 2πrh

π = pi

Solve for h

h = S - 2πr²/2πr

500

8x - 3 = 5 + 4y. Solve for y.

y = 2x - 2