Algebra Quiz 7-3 Review

What are the x-intercept/s of the function? 

• (3,0)
• (-3,0)
• (9,0) & (-9,0)
• (-3, 0) & (3, 0)

Tags

CCSS.HSF-IF.C.7A

9k² = 225

• 4
• 4, -4
• 25, -25
• -5, 5

Tags

CCSS.8.EE.A.2

• m=±81
• m=±9
• m=±3
• No real solution

Tags

CCSS.8.EE.A.2

What is this?

• This is the speed of light formula.
• This is the quadratic formula.
• This is the zero product property.
• This is scary.

Tags

CCSS.HSA-REI.B.4B

What should you do first in solving this equation?
x² + 6x - 13 = 3

• Get factored form
• Write down: a=1, b=6, c=-13
• Make it equal 0 by subtracting 3 on each side
• Type it all in a calculator.

Tags

CCSS.HSA-REI.B.4B

• √3
• ±√3
• -3
• No real solution

Tags

CCSS.HSA-REI.B.4B

• -4, 2
• -2, 4
• -16
• -4

Tags

CCSS.HSA-REI.B.4B

• -2, 4
• -8
• ±8
• No real solution

Tags

CCSS.HSA-REI.B.4B

• ±1.5
• 1.5
• ±1
• No real solution

Tags

CCSS.HSA-REI.B.4B

Solve     4x² + 12x + 11 = 0

• -2.2 or -0.8
• -2 or -1
• 2 or 1
• No Solution

Tags

CCSS.HSA-REI.B.4B