STAAR Solving and Domain & Range Practice

Which set best represents the domain of the function for this situation?

• {0, 2, 4, 6, 8, 10}

• {0, 1, 2, 3, 4, 5, 6, 7, 8}

• {0, 18, 36, 54, 72, 90}

• {0, 9, 18, 27, 36, 45, 54, 63, 72}

Answer explanation

Look at the x values for each point on the graph

Which set best represents the range of the function for this situation?

• {0, 2, 4, 6, 8, 10}

• {0, 1, 2, 3, 4, 5, 6, 7, 8}

• {0, 18, 36, 54, 72, 90}

• {0, 9, 18, 27, 36, 45, 54, 63, 72}

Answer explanation

Look at the y values for each point on the graph

Tags

CCSS.HSF.IF.B.4

Which inequality best describes the domain of the part of the function shown?

• -4 < x < 5

• -7 < x < 6

• -4 < x < 5

• -7 < x < 6

Answer explanation

Look from left to right for domain

Tags

CCSS.8.F.A.1

CCSS.HSF.IF.B.5

Which inequality best describes the range of the part of the function shown?

• -4 < g(x) < 5

• -7 < g(x) < 6

• -4 < g(x) < 5

• -7 < g(x) < 6

Answer explanation

Look from bottom to top for range

Tags

CCSS.8.F.A.1

CCSS.HSF.IF.B.5

What is the solution to 4(q + 56.5) = 30q - 112?

Answer explanation

get q by itself on one side of the equation

Tags

CCSS.8.EE.C.7B

What is the solution to this equation?

2(40 - 5y) = 10y + 5(1 - y)

• 7.5

• 15

• 5

• Not here

What is the solution to the equation?

-4(2m - 7) = 3(52 - 4m)

What is the value of y in the solution to the following system of equations?

y = 3x - 8

y = -.5x + 13

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6

What is the domain of the quadratic function graphed?

• all real numbers

• all real numbers greater than 5

• all real numbers less than 1

• all real numbers less than 15

Tags

CCSS.8.F.A.1

CCSS.HSF.IF.B.5

What is the range of the quadratic function graphed?

• all real numbers

• all real numbers greater than or equal to 5

• all real numbers less than or equal to 1

• all real numbers less than or equal to 15

Tags

CCSS.HSF-IF.C.7A