Quadratic STAAR Questions

Which graph best represents y = −x² + 6x − 1? Reminder: Use desmos

• 
• 
• 
• 

Tags

CCSS.HSF-IF.C.7A

Which expression is equivalent to 24x² − 22x + 5?

• (12x + 5)(2x + 1)

• (8x − 5)(3x − 1)

• (12x − 5)(2x − 1)

• (8x + 5)(3x + 1)

Which coordinates best represent the vertex of the graph?

• (2.4, 0)

• (0, -1)

• (-0.4, 0)

• (1, -2)

which of these best represents the domain of f?

• 
• All real numbers

• y > 5.5

• All real numbers less than -3 or greater than 2

Tags

CCSS.8.F.A.1

CCSS.HSF.IF.B.5

Which statement about k(x) = -x²-2x+15 is true?

• The zeros are -3 and 5, because k(x) = -(x+3)(x-5).

• The zeros are -5 and 3, because k(x) = -(x+5)(x-3).

• The zeros are -5 and -3, because k(x) = -(x+5)(x+3).

• The zeros are 3 and 5, because k(x) = -(x-3)(x-5).

Tags

CCSS.HSA-SSE.B.3B

CCSS.HSF-IF.C.8A

The area of a rectangular trampoline is 112ft². The length of the trampoline is 6ft greater than the width of the trampoline. This situation can be represented by the equation w² +6w -112 = 0. What is the width of the trampoline in feet?

• 7 ft

• 16 ft

• 8 ft

• 14 ft

• A/F

• B/G

• C/H

• D/J

Tags

CCSS.6.EE.A.3

• A/F

• B/G

• C/H

• D/J

• A/F

• B/G

• C/H

• D/J

• A/F

• B/G

• C/H

• D/J