Algebra - Unit 3 Test Review

Which of these pairs of the form (x, y) could not lie on the graph of a function of x?

• (2, -1) and (3, -1)

• (2, 2) and (3, 2)

• (2, -5) and (2, 7)

• (2, 0) and (0, 2)

Tags

CCSS.8.F.A.1

Which equation is true for all of the values in the table?

• y = x - 3

• y = 2x - 3

• y = x - 6

• y = 3x - 5

Tags

CCSS.8.F.B.4

CCSS.HSF.LE.A.2

If f(x) = -3x² + x + 7, what is f(3)?

• -23

• -14

• -17

• -37

Tags

CCSS.HSF.IF.A.2

What is the range of the function f(x) = (x - 5)² when the domain is {-3, 0, 3}?

• {4, 10, 16}

• {4, 25, 64}

• {-4, -10, -16}

• {-4, -25, -64}

A function f: f(x) - (x - 1)² + 5

If the domain is all real numbers, then the range is all real numbers greater than or equal to -

• 2

• 3

• 5

• 7

If f(-2) = 0 and f(7) = 0, then what are the x-intercepts of the function f?

Tags

CCSS.HSF-IF.C.7C

What is the range of the function of x graphed to the right?

• {-4 ≤ y ≤ 2}

• {-2 ≤ y ≤ 4}

• {-4 ≤ x ≤ 2}

• {-2 ≤ x ≤ 4}

Tags

CCSS.8.F.A.1

CCSS.HSF.IF.B.5

What is the domain of the function shown to the right?

• {-8 ≤ x ≤ 8}

• {All integers ≤ 1}

• {All Real Numbers ≤ 1}

• {All Real Numbers}

Tags

CCSS.8.F.A.1

CCSS.HSF.IF.B.5

Choose the statement(s) below that are true for a function.

• The graph of k has no x-intercepts.

• f(2) = 0 and f(2) = 1

• The graph of h has x-intercepts (-2, 0) and (-4, 0)

• The graph of m has y-intercepts (0, 2) and (0, 5)

• f(2) = 0 and f(4) = 0

Tags

CCSS.HSF-IF.C.7C

The function below contains ordered pairs of the form (x, y)

f(x) = {(3, 4), (6, 5), (1, 4)}

What is the range of the function?

• {1, 3, 6}

• {4, 5}

• {1, 3, 4, 5, 6}

• {1, 5, 6}