Algebra Midterm Exam

Solve for a.

• a = pw

• a = p/w

• a = w/p

• a = w + p

Simplify each equation. Tell whether the equation has one, no, or infinite solutions.
5x + 6 = 2 + 3x

• one

• no solutions

• infinite solutions

14 < -2a + 6 - 2a

• a > -2

• a < -2

• a > 2

• a < 2

Solve:
6x+10>5x-12

• x>2

• x<2

• x<-22

• x>-22

Find the difference. 
(3 - 2x + 2x²) - (4x - 5 + 3x²)

• x_² + 6x + 8

• 2x² + 5x - 7

• -x² -6x + 8

• -2x² + 11x - 4

Solve:
5y+34 = -2(-7y+1)

• y = -4

• y = 9

• y = 4

• y = 36/19

Given 5(x+2) + 8= 5x + 10 + 8 What property is used?

• Distributive Property

• Commutative property of addition

• Addition Property of equality

• Subtraction Property of equality

• 7

• -3

• 3

• 12

• Faye

• Harper

The equation c = 0.20t + 3.50 shows the relationship between the charge c in dollars for renting a kayak for t minutes.What is the meaning of the y-intercept?

• It costs $3.50 per minute to rent a kayak.

• For $0 you can rent a kayak for 3.5 minutes.

• Every 3.50 minutes, you have to pay $1.00.

• You have to pay $3.50 up front before using the kayak.