HA2 M9 D3 Warm Up

Which of the following is the factored   form of x³ – 125?

• (x - 5)³
• (x - 5)(x² + 25)
• (x - 5)(x² + 5x + 25)
• (x - 5)(x² - 5x + 25)

Tags

CCSS.HSA.APR.C.4

What is the solution set to x² = 2x – 5?

• {±i}
• {2 ± 2i}
• {1 ± 2i}
• {1, 2}

Tags

CCSS.HSA-REI.B.4B

CCSS.HSN.CN.C.7

Factor and cancel out in order to simplify.

• 1/(n-7)

• n-7

• (n-6)/(n-7)

• n-6

Tags

CCSS.HSA.APR.D.6

• x = 49
• x = 53
• x = 45
• x = 18

Tags

CCSS.HSA.REI.A.2

• 36
• 18
• -18
• 27

Simplify the expression:

• 25x²y³
• -5xy² ∛5x
• 5ixy² ∛5x
• -125x³y⁶ ∛5x

How many solutions will this system have? 

• No solution
• One Solution
• I Don't Know
• Infinitely Many Solutions

Tags

CCSS.8.EE.C.8A

The city council voted on a new tax. The council has 20 members and 20% of the council members voted in favor of the new tax. How many members voted in favor of the tax?

• 16 council members 
• 4 council members 
• 20% of the members 
• 100

Tags

CCSS.6.RP.A.3C

What is the solution set of (n + 8)^1/3 - 6 = -3  

• {19}
• {-35}
• {-29}
• {1}

Simplify:
(4 + 7i) - (3 + 2i)

• 1 + 5i
• 7 + 9i
• 1 + 9i
• -1 + 5i

Tags

CCSS.HSN.CN.A.2