Quadratic STAAR Practice

Function k is defined as k(x) = x² + 32x + 248. What are the solutions to k(x) = 0?

• x = -16 + 2√2 and x = -16 - 2√2

• x = 16 + 2√2 and x = 16 - 2√2

• x = -32 + 4√2 and x = -32 - 4√2

• x = 32 + 4√2 and x = 32 - 4√2

Tags

CCSS.HSA-REI.B.4B

Which statement about f(x) = 4x² - 36x + 81 is true?

• A

• B

• C

• D

Tags

CCSS.HSA-SSE.B.3B

CCSS.HSF-IF.C.8A

Given f(x) = x² - 36, which statement is true?

• A

• B

• C

• D

Tags

CCSS.HSA-SSE.B.3B

CCSS.HSF-IF.C.8A

Given g(x) = x² - 6x - 16, which statement is true?

• A

• B

• C

• D

Tags

CCSS.HSA.APR.B.3

What is the positive solution to x² + 9x - 22 = 0?

Tags

CCSS.HSA-REI.B.4B

Which value of x is a solution to this equation?

3x² - 30x - 72 = 0

• x = -12

• x = -4

• x = -2

• x = -6

Tags

CCSS.HSA-REI.B.4B

What is the solution set for 2x² + 15 = -11x?

• { -5, -1.5 }

• { 2.5, 3 }

• { 1.5, 5 }

• { -3, -2.5 }

Tags

CCSS.HSA-REI.B.4B

Which value of x is the solution to this equation? 5x² = 30x - 45

• x = 3

• x = -3

• x = 5

• x = -5

Tags

CCSS.HSA-REI.B.4B