Which of the following equations has both x=2 and x=-3 as solutions?

• (x - 2)(x + 3) = 0

• (x + 2)(x + 3) = 0

• (x - 2)(-x + 3) = 0

• (x + 2)(x - 3) = 0

• x - 2 = x - 3

Tags

CCSS.HSA.APR.B.2

CCSS.HSA.APR.B.3

CCSS.HSA.REI.B.4

Solve
4m² - 100 = 0

• m=25, -25
• m=96
• m=5, -5
• m=-96

Tags

CCSS.8.EE.A.2

Solve
a² + 2a - 24 = 0

• a = -6, 4
• a = 6, -4
• a = 12, -2
• a = 8, -3

Tags

CCSS.HSA-REI.B.4B

Solve
2x² + 17x + 21 = 0

• x= ^-21/₂, -17
• x= ²/₃, 16
• x=-7, ^-3/₂
• x=15, -³/₇

Tags

CCSS.HSA-REI.B.4B

√128

• 64√2
• 16
• 2√8
• 8√2

Tags

CCSS.HSA.SSE.B.3

CCSS.HSN.RN.A.2

√200

• 14
• 20√8
• 5√3
• 10√2

Tags

CCSS.HSA.SSE.B.3

CCSS.HSN.RN.A.2

Simplify the expression:
 $\left(1\ +\ 5i\right)\ +\ \left(1\ -\ 5i\right)$  

•  $2\ +\ 10i$  

•  $2\ +\ 10i^2$  

•  $2$  

•  $-8$  

Tags

CCSS.HSN.CN.A.2

Simplify the expression:
 $\left(5\ +\ 14i\right)\ -\ \left(10\ +\ 2i\right)$  

•  $5\ -16i$  

•  $-5\ +\ 16i$  

•  $5\ -\ 12i$  

•  $-5\ +\ 12i$  

Tags

CCSS.HSN.CN.A.2

(i)(3i)

• -3i
• -3
• 3
• 2i

Tags

CCSS.HSN.CN.A.2

Simplify:
3√-81

• -27
• 3i√3
• 27i
• 9i

Tags

CCSS.HSN.CN.A.1

CCSS.HSN.CN.A.2

CCSS.HSN.RN.A.2