Algebra Basics Review

Evaluate 2a + 4b 
if a = 10     and    b = 6

• 20
• 24
• 44
• 4

Evaluate 8a - b     if a = 10   and   b = 6

• 74
• 38
• 1000
• 9000

Evaluate 6ab + 2c if a = 3, b = 10, and       c = 7

• 19
• 194
• 180
• 14

Evaluate the expression when
x =5    and   z = 4
z²  - 2x

• 6
• 2
• 17
• 26

Evaluate the expression when y = 5
2y² + 3y

• 75
• 65
• 115
• 105

Simplify:
5x - 6x - 8x + 7 

• -9x + 7
• -9x -  7
• 9x + 7 
• 9x - 7

Simplify the expression:
6 + 2(7x - 3) 

• 14x + 12
• 14x
• 14x - 12
• 56x - 24

Simplify:
-1x + y - z + 10z + 2x - 10y

• 1x - 9y + 9z
• 1x - 9z - 9y
• -1x - 9z - 9y
• -1x - 9 - 9y

Simplify:

4a + 9 + a

• 5a + 9

• 3a-9

• 3a + 9

• 5a - 9

Simplify 5r + 3s − 2r + 8.

• 7r + 3s + 8
• 10r + 8
• 3r + 3s + 8
• 8r - 2s + 8