T 8-9 Test: Quadratic Functions and Equations

• {1}

• {-4, -1/2}

• {-4, 1/2}

• {4, 1/2}

Tags

CCSS.HSA-REI.B.4B

• x = 0 or x = 2

• x = 1 or x = -1

• x = 0 or x = 1

• x = 2 or x = -2

Tags

CCSS.HSA-REI.B.4B

Select all the equations that have only one real solution.

Tags

CCSS.HSA-REI.B.4B

• A. 3 ± 2√5

• B. -3 ± 2√5

• C. -3 ± √5

• D. 3 ± 5√5

Tags

CCSS.HSA-REI.B.4B

• {0, 1} and {-1, 14}

• {1, 18} and {-2, 12}

• {2, 20} and {-3, 10}

• {-2, 14} and {-8, 0}

Tags

CCSS.HSA.REI.C.7

Solve x(12 - x) = 3(4x - 3).

• ±√2

• ±√3

• ±2

• ±3

Tags

CCSS.HSA-REI.B.4B

• x = 12 or x = -7

• x = 7 or x = -12

• x = 14 or x = -6

• x = 6 or x = -14

Tags

CCSS.HSA-REI.B.4B

• 1,000

• 2,000

• 4,000

• 6,000

• A -9.24 and -4.76

• B -9.24 and 4.76

• C 9.23 and 4.76

• D 16.64 and -2.64

Tags

CCSS.HSA-REI.B.4B

• A 2.1

• B 4.1

• C 8.0

• D 10.6