1st hour Algebra Review Quiz

What is the value of the expression
x² + y² + x - y 
when x = -1 and y = 3

• 6

• 8

• 12

• 16

evaluate bc + 5a  
when  a = 3, b = 4, and c = -6

• 9

• 38

• -38

• -9

Evaluate x² - xy if x = 8 and y = -3

Evaluate 5m + 9n if m = -7 and n = 4

Evaluate (18 - ab) + 4b if a = -2 and b = -5

• 8

• 28

• 48

• -12

Evaluate 10c - cd + d³ if c = -6 and d = 2

• -40

• 56

• 54

• -64

Solve for a:

-3a + 8 = 14

Solve for x:

2x - 3 + 4x = 27

• x = 12

• x = 4

• x = 5

• x = 15

Solve for x:

7(2x - 4) = 42

• x = 5

• x = 8

• x = 2

• x = 9

Solve for b:
-11 + 3(b + 5) = 7