Intermediate Algebra Semester 2 Final Review

Solve by elimination:

x - 3y = 8

-x + 3y = -8

• No Solution

• (0,0)

• Infinite Solutions

• (8, 0)

Solve by substitution:

y = 4

2x - 3y = 18

• (15, 4)

• (3, 4)

• (4, 4)

• (10, 4)

Simplify:

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Simplify the radical:

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Multiply: (3x - 7)²

• 9x² - 42x + 49

• 9x² - 49

• 9x² - 14

• 6x² - 42x + 14

Divide:

• 4x² + x + 4

• 4x³ + x² + 4x

• 40x² + 10x + 40x

• 30x² + x + 30

Factor: x² + 6x + 9

• (x + 3)

• (x + 3)²

• (x + 2)²

• (x + 2)(x +3)

Factor: x² - 100

• (x + 10)(x - 10)

• (x - 10)²

• (x + 10)

• (x + 50)(x + 2)

What is the equation to the function?

• y = x² + 2

• y = (x - 2)²

• y = (x + 2)²

• y = x² - 2

What is the equation of the graph?

• y = 2x + 2

• y = ½x + 2

• y = 2

• y = x + 2