Algebra I Exam

Which is the graph of y= -x + 2?

• A

• B

• C

• D

Find the slope  and y-intercept of:

2x - 3y = -12

• slope = 2/3, y-intercept = -12

• slope = -2/3, y-intercept = -3

• slope = 2/3, y-intercept = 4

• slope = -12, y-intercept = -3

What is the slope:

5x + 10y  = 30

• m = -1/2

• m = 1/2

• m = 3

• m = 1/3

Write the equation of the line in slope-intercept form.

• y = x + 3

• y = 1/2x + 3

• y = 3x + 2

• y = 3

Which equation represents the table?

• y = -x

• y = x-3

• y = 1/2x + 3

• y = 3x

6x + 10 > 5x - 12

• x > 2

• x < -2

• x < -22

• x > -22

4(2a + 3) < 3(a - 1)

• a < -3

• a > -3

• a < 3

• a > 3

Solve the equations:

3x + 2(4x - 4) = 3

• 4

• 3

• 2

• 1

Solve the equation:
3(x - 1) = 2x + 9

• x = 12

• no solution

• x = 10

• x = 6

Which property of real numbers was used to get from Step 3 to Step 4?

• Addition Property of Equality

• Subtraction Property of Equality

• Additive Inverse Property

• Substitution Property