Quadratic Formula

Determine the values of a, b, and c for the quadratic equation:

4x² – 8x = 3

• a = 4, b = -8, c = 3

• a = 4, b =-8, c =-3

• a = 4, b = 8, c = 3

• a = 4, b = 8, c = -3

Tags

CCSS.HSA.CED.A.1

CCSS.HSA.REI.A.1

CCSS.HSA.REI.B.4

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

Solve 2x² + 7x - 15 = 0

• x = -3/2 and x = 5

• No Solution

• x = -5 and x = 3/2

• x = 0.7 and x = 5

Solve Using the Quadratic Formula

x² + 4x - 40 = -8

• x = -10 and x = -4

• x = -4 and x = 10

• x = -8 and x = 4

• x = 8 and x = -4

Solve using the quadratic formula...

9x² = 4 + 7x

• 
• 
• 
• No solution

Tags

CCSS.HSA.REI.A.1

CCSS.HSA.REI.B.4

Solve using the Quadratic Formula

6x² - 52 = 11x

• x = 4 and x = -2.17

• x = -4 and x = 2.17

• x = -3.71 and x = -1.88

• x = 3.71 and x = 1.88

Identify the values of A, B, and C

5x² + x - 18 = - 9x + 3x²

• A=2, B=10, C=-18

• A=5, B=1, C=-18

• A=8, B=-8, C=-18

• A=2, B=9, C=-18

Tags

CCSS.HSA.CED.A.1

CCSS.HSA.REI.B.4

What are the solutions of x² - 10x + 14 = 0? Use the quadratic formula. Round to the nearest hundredth.

• x = 8.32 and x = 1.69

• x = -1.69 and x = -8.32

• x = -8.32 and x = 1.69

• x = -1.69 and x = -8.32

Solutions of a quadratic equation are also called

• roots

• x-intercepts

• zeros

• All of the above

Tags

CCSS.HSA.APR.B.3

CCSS.HSA.REI.B.4

Find the positive solution to  $3x^2-4x=7$  using the Quadratic Formula

• x = 0.429

• x = 1.000

• x = 2.041

• x = 2.333