Algebra Semester Review Virginia

Solve the system of equations.

-5y + 4x = 49

7y + 2x = -23

• (6, -5)

• (18.5, 5)

• (-6, -5)

• (-6, 5)

Solve the equation:

5x - (5 - 2x) + 10 = 2x + 3(2x - 2)

• x = 11

• x = 1

• x = -11

• x = -1

How many math problems can Julio solve in 40 minutes?

• 100

• 200

• 50

• 75

This is an example of:

(a)  

• Exponential Growth

• Linear Growth

• Linear Decay

• Exponential Decay

Mathematical Equivalence

ON

Which set of ordered pairs does not represent a function?

• {(2, 1), (4, 3), (4, 2), (1, 5)}

• {(1, 2), (2, 3), (3, 4), (4, 5)}

• {(2, 5), (3, 5), (4, 5), (6, 5)}

• {(5, 4), (4, 3), (3, 2), (2, 1)}

What is the rate of change (slope) for this function?

5x - 10y = 20

• 1/2

• 2

• -2

• -1/2

The first 4 terms in a patter are shown below:
-10, -2, 6, 14, ...
If the pattern continues which expression can be used to find the nth term?

• 8n - 18

• -10n - 8

• -8n + 10

• 8n + 18

Which inequality describes all the solutions to 4 (2 - x) > -6x + 12 ?

• x > 2

• x > -2

• x > 10

• x > -10

Given f (x) = 4 (2 - x), what is the value of f (-6)?

• 32

• -32

• -16

• 16