Algebra 1 Final

Which of the following will result in a rational number? Select ALL that apply.

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Which inequality does the graph represent?

• y < -x - 1

• y < -x + 1

• y < x - 1

• y < x + 1

Find the solution to the system of equations. Write the solution as an ordered pair.

3x - 2y = -9

4x + 3y = 22

• (-3, 0 )

• (0, 4.5)

• (5,5, 0)

• (1, 6)

Which relation IS a function?

• (8,-4), (8,4), (6,-3), (6,3), (0,0)

• (4,7), (8,5), (6,4), (5,3), (4,2)

• (0,0), (1,1), (2,2), (3,3), (4,7)

• (0,0), (1,0), (1,1), (2,1), (1,2)

What is the value of x in this equation?

7x - 2(3x - 1) = 4

• x = 2

• x = 3

• x = 4

• x = 5

The table shows test scores for five students. Do the data show a POSITIVE or NEGATIVE correlation? Do the data show CAUSATION or NO CAUSATION?

• Positive; Causation

• Positive; NO Causation

• Negative; Causation

• Negative; NO Causation

What is the product of (2x - 6)(2x + 6)?

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Choose the correct answer for the problem:

• f(x) = 15x + 3

• f(x) = 10x + 8

• f(x) = 12x + 10

• f(x) = x + 18

Assume Jack works from 2:30 PM to 8:00 PM. How much does he earn?

• $40

• $62.50

• $65

• $76

What are the solutions to the quadratic?

• -1, 5/3

• -5, 1/3

• -1, -5/3

• 5, 1/3