Quadratic Equation Review

• ±81
• ±9
• ±3
• No real solution

Tags

CCSS.8.EE.A.2

Solve for x: 
(x+6)²=49

• x=7,12
• x=±7
• x=1,-13
• x=43,-55

Tags

CCSS.8.EE.A.2

Solve by completing the square.

x² + 10x = -9

• 1 and -12

• -1 and -9

• 1 and -9

• 1 and -1

Tags

CCSS.HSA-REI.B.4B

Solve. x² + 4x - 16 = 0

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Tags

CCSS.HSA-REI.B.4B

The solutions of the quadratic equation 
x²+5x+6=0 are

• x= -3 or x = -2
• x = -6 or x = 1
• x = 3 or x = 2
• x = -3 or x = 2

Tags

CCSS.HSA-REI.B.4B

The solutions of the quadratic equation 
x²-6x+8=0 are

• x = -2 or x = -4
• x = 2 or x = 4
• x = 8 or x = -1
• x = 8 or x = 1

Tags

CCSS.HSA-REI.B.4B

Use the quadratic formula to solve 2x² + 2x - 12?

• -2, 3
• 2, 3
• 2, -3
• -2, -3

Tags

CCSS.HSA-REI.B.4B

Use the quadratic formula to find the solutions for

y = -x² - 5x + 12

• No Real Solution

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Tags

CCSS.HSA-REI.B.4B

A frog is sitting on the ground when he is scared by a big dog. His movement is modeled by the equation h = -6t² + 6t where h is the frog's height at any given time, t . How many seconds until the frog is back on the ground?

• 0.5 seconds

• 1 second

• 1.5 seconds

• 2 seconds

• 3 seconds

Tags

CCSS.HSA.REI.B.4

CCSS.HSA.APR.B.3

CCSS.HSA.CED.A.1

A dolphin jumps from the water at at initial velocity of 16 feet per second. The equation h = -8t² + 16t models the dolphin's height at any given time, t. What is the maximum height the dolphin jumps?

• 1 foot

• 5 feet

• 7 feet

• 8 feet

• 12 feet

Tags

CCSS.HSA.REI.B.4

CCSS.HSA.SSE.A.1

CCSS.HSF.IF.B.4

CCSS.HSF.IF.C.7