Unit 3A Review

Factor:

80x⁵-70x²-60x⁷

• 2x²(80x³-70-60x⁶)

• 10x²(80x⁴-70x-60x⁶)

• 10x²(8x³-7-6x⁵)

• 3x²(80x³-40-60x⁵)

Factor
3v² - 4v - 7

• (3v-7)(v+1)
• 3(v-7)(v-1)
• (3v+1)(v-9)
• (3v+1)(v-10)

Tags

CCSS.HSA.APR.A.1

CCSS.HSA.SSE.A.2

CCSS.HSA.SSE.B.3

Factor.

x² - 25

• ( x + 5 ) ( x - 5 )

• ( x - 5 ) ( x - 5 )

• ( x + 5 ) ( x + 5 )

• Prime

Tags

CCSS.HSA.APR.C.4

Solve by factoring: 3x² -14x - 24 = 0

• x = 4/3 and x = 6

• x = -2 and x = 4

• x = -4/3 and x = 6

• x = 2 and x = -4

Solve:

x² - 49 = 0

• {-7 , 7}

• {-7}

• {7}

• {-7,1}

What are the solutions?

• x = 0 and x = 8

• x = -2 and x = -4

• x = 3 and x = -1

• x = 2 and x = 4

x² = 16

• ± 4
• ± 8
• 4
• 8

Tags

CCSS.8.EE.A.2

Identify the 'b' value: y = 16x² -8x -24

• 16
• -8
• 8
• -24

What is another word for zeros?

• y-intercepts
• roots
• vertex
• axis of symmetry

Tags

CCSS.HSF-IF.C.7C

A parabola has a vertex at (-3,2). Where is the axis of symmetry?

• y = -2
• x = 3
• x = -3
• y = 2