Adv. Algebra Midterm

Which equation below is equivalent to f(x) = x² + 10x + 24 ?

• f(x) = ( x - 5 )² + 1

• f(x) = ( x + 5 )² - 1

• f(x) = ( x - 5 )² - 1

• f(x) = ( x + 5 )² + 1

Tags

CCSS.HSA-REI.B.4B

Which equation best represents the graph?

• y = 2(x - 4)² + 5
• y = 2(x + 4)² + 5
• y = -2(x - 4)² + 5
• y = -2(x + 4)² + 5

Tags

CCSS.HSF-IF.C.7A

What is the y-intercept for the equation below?
y = -8x² + 3x - 7

• (0, -8)
• (0, 3)
• (-8, -7)
• (0, -7)

Tags

CCSS.HSF-IF.C.7A

Which statement is not true about the function graphed to the right?

• The graph has a y-intercept at (0, 5)

• The graph has an vertex at (-3, -4)

• The graph has a maximum value of -3

• The graph has an x-intercept at (-1, 0)

Tags

CCSS.HSF-IF.C.7A

Which is the equation for the graph above?

Tags

CCSS.HSF-IF.C.7B

What is the interval of increase for the graph of the radical function?

Tags

CCSS.HSF-IF.C.7B

• x = 4

• x = 3

• x = 1

• x = 5

Tags

CCSS.HSA.REI.A.2

• x = 2

• x = 10

• x = -2

• x = -4

Tags

CCSS.HSA.REI.A.2

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Tags

CCSS.HSF-IF.C.7B

Solve by taking square roots: -5x² - 4 = 41

• x = 9i, x = -9i

• x = 3, x = -3

• x = 8, x = -8

• x = 3i, x = -3i

Tags

CCSS.HSA-REI.B.4B