Alg 2 - Unit 1 - whole unit assessment

Factor completely: 2x²+22x+60

• (2x+10)(x+6)
• (x+5)(x+6)
• 2(x+1)(x+30)
• 2(x+5)(x+6)

Tags

CCSS.HSA.APR.A.1

CCSS.HSA.SSE.A.2

CCSS.HSA.SSE.B.3

Use any method. The solution of the quadratic equation

4x²-5x-9=0 are

• x=-1 or x=9/4

• x=1 or x=9/4

• x=2 or x=3

• x=-2 or x=-3

Solve by factoring. 2x² + 16x = 18 ?

• x = -1 and x = 9

• x = -9 and x = 1

• x = 2 and x= 18

• x = 2 and x = 16

Solve using the quadratic formula...

9x² = 4 + 7x

• 
• 
• 
• No solution

Tags

CCSS.HSA-REI.B.4B

Solve for x using the quadratic formula:

3x² - 6x + 6 = 0

• x = 1± i

• x = 3, -6

• x = 4.8, 2.7

• Undefined

Solve by factoring: x² = 7x + 18

• -7 and -18

• 9 and 2

• 9 and -2

• 2 and 7

Tags

CCSS.HSA-REI.B.4B

Solve using square roots. Simplify your answer. 2x²=100

• x = √25

• x = ±5√2

• x = √100

• x = ±√5

Solve by taking square roots:
5m² + 1 = 6

• m = 0
• m = 1 or -1
• m = √7
• m = 7/5 m = -7/5

Tags

CCSS.HSA-REI.B.4B

What does  $i$  equal?

•  $\sqrt{-1}$  

•  $-1$  

•  $-i$  

•  $1$  

Tags

CCSS.HSN.CN.A.1

Simplify using the imaginary number  $i$  
 $\sqrt{-49}$  

•  $49i$  

•  $-49i$  

•  $7i$  

•  $-7i$  

Tags

CCSS.HSN.CN.A.1

CCSS.HSN.CN.A.2