Quadratic Equations Review

• ±81
• ±9
• ±3
• No real solution

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CCSS.8.EE.A.2

• ±√9
• ±3
• ±1
• No real solution

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CCSS.HSA-REI.B.4B

• ± 1
• ± 4/3
• ± 3/4
• No real solution

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CCSS.8.EE.A.2

Solve by finding square roots and simplify completely:
 $2x^2=20$ 

•  $x=\pm10$  

•  $x=\sqrt{10}$  

•  $x=\pm\sqrt{10}$  

• No real solutions

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CCSS.HSA-REI.B.4B

Solve by factoring:
 $x^2+10x+24=0$ 

•  $x=6\ or\ x=4$  

•  $x=\pm\sqrt{14}$  

•  $x=-6\ or\ x=-4$  

• No real solutions

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CCSS.HSA-REI.B.4B

Solve by factoring:
 $x^2+2x-15=0$ 

•  $x=3\ or\ x=-5$  

•  $x=\pm\sqrt{13}$  

•  $x=-3\ or\ x=5$  

• No real solutions

Tags

CCSS.HSA-REI.B.4B

Solve using the Quadratic Formula:
 $2x^2+6x-8=0$ 

•  $x=2\ or\ x=-8$  

•  $x=-1\ or\ x=4$  

•  $x=1\ or\ x=-4$  

• No real solutions

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CCSS.HSA-REI.B.4B

• A

• B

• C

• D

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CCSS.HSA.SSE.A.2

CCSS.HSA.SSE.B.3

• A

• B

• C

• D

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CCSS.HSA.SSE.A.2

CCSS.HSA.SSE.B.3

 $i^{41}$ 

• 1

• -1

•  $i$  
  

•  $-i$  
  

Tags

CCSS.HSF-IF.C.8B