STAAR Review 2

Simplify: (2x⁴-4x²+5x+2) ÷ (x+2)

• 2x³-8x²+21-40+56/(x+2)
• 2x³-8x²+16x-27+ 52/(x+2)
• 2x³-8x²+16x-27+56/(x+2)
• 2x²-8x+21-40/(x+2)

Tags

CCSS.HSA.APR.D.6

Factor 9x²-64

• (3x-8)(3x+8)
• (2x-8)(2x+8)
• (3x-4)(3x+4)
• (3x-8)²

Tags

CCSS.HSA.APR.C.4

How many real solutions does x²-8x+16 = 0 have?

• 0
• 1
• 2
• infinitely many

Tags

CCSS.HSA-REI.B.4B

Find the value of the discriminant: 4x²-7x+8

• √79
• √-79
• -79
• -7±i√79/8

Tags

CCSS.HSA-REI.B.4B

Write the equation in vertex form:
y = -2x²+16x+4

• y=-2(x-4)²+4
• y =-2(x+4)²+36
• y=-2(x+4)²+4
• y =-2(x-4)²+36

Tags

CCSS.HSA.SSE.B.3

CCSS.HSF.IF.C.8

CCSS.HSA.SSE.A.2

The quadratic whose roots are -3 and 4.

• x²+x-12
• x²-x + 12
• x²+x+12
• x²-x-12

Tags

CCSS.HSA-SSE.B.3B

CCSS.HSF-IF.C.8A

What is the vertex:
y = 2(x-3)²+18

• (-3,-18)
• (3,-18)
• (-3,18)
• (3,18)

Tags

CCSS.HSF.IF.C.7

CCSS.HSF.IF.B.4

CCSS.HSA.SSE.A.1

Which equation is perpendicular to y = 2x + 5?

• y = -1/2x + 7
• y = 1/2x + 7
• y = 2x + 7
• y = -2x + 7

Tags

CCSS.HSG.GPE.B.5

CCSS.HSG.CO.A.1

What is the equation of the line that passes through (0,4) and (5,0)? 

• y = -4/5x + 0
• y = -4/5x + 5
• y = -4/5x + 9
• y = -4/5x + 4

Tags

CCSS.HSA.REI.D.10

CCSS.HSG.GPE.B.5

CCSS.HSA.CED.A.2

Which quadratic is the widest?

• y = -3/4x²+4x+1
• y=2x²-3x+7
• y=-4x²+9
• y=7/5x²-5x+1

Tags

CCSS.HSF-IF.C.7A