Algebra Leap Review

Simplify this expression (combine like terms):
 x + x + x + x

• 4 - x

• 4x

• x

• x+4

Evaluate the expression if a=3 and b=6.
4a - b

• 43 - 6

• 37

• 1

• 6

Explain how to solve the following problem: 
7X = 34

• Multiply both sides by 7 

• Divide both sides by 7 

• Add 7 to both sides

• Subtract 7 from both sides 

Solve: 56 = -7x

• 8 = x

• -8 = x

• 392 = x

• -392 = x

2d + 7 = 9 

• 1

• 7

• 4

• 3

Solve  9 + 3x = 10

• 2/3

• 1/3

• -1/3

• 4

4x + 22 = -34

• -14

• -22

• 16

• -20

Solve 7k - 14 = 42

• 7

• -8

• 0

• 8

If my function rule is x + 3, what is the OUTPUT if the input is 4?

• 4

• 3

• 7

• 10

In the ordered pair (4,9) which number is the Y COORDINATE?

• 4

• 9

• neither

• both