Quadratic Formula (2.2.4)

Identify the values of A, B, and C

10p² + 7p - 20 = 0

• A=1, B=7, C=-20

• A=10, B=7, C=20

• A=10, B=-7, C=-20

• A=10, B=7, C=-20

Identify the values of A, B, and C

11r² + 6r = 6

• A=11, B=-6, C=-6

• A=11, B=6, C=6

• A=11, B=6, C=-6

• A=1, B=6, C=-6

Identify the values of A, B, and C

3m² - 14 = 11m

• A=3, B=-11, C=-14

• A=3, B=-14, C=11

• A=3, B=11, C=-14

• A=3, B=-14, C=11

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

Solve using the Quadratic Formula

6x² + 12x - 1 = 0

• x = 0.08, -2.08

• x = -0.08, 2.08

• x = -0.08, -1.91

• x = 0.08, 1.19

Tags

CCSS.HSA-REI.B.4B

Solve using the Quadratic Formula

4v² - 1v - 18 = 0

• v = 2.25, -2

• v = -2.25, 2

• v = 2.24, -1.99

• v = -2.24, 1.99

Tags

CCSS.HSA-REI.B.4B

Solve using the Quadratic Formula

6p² = 2p + 60

• p = 3.33, -2

• p = -3.33, 2

• p = -5.98, 6.65

• p = 5.98, -6.65

Tags

CCSS.HSA-REI.B.4B

Solve using the Quadratic Formula

6x² - 52 = 11x

• x = 4, -2.17

• x = -4, 2.17

• x = -3.71, -1.88

• x = 3.71, 1.88

Tags

CCSS.HSA-REI.B.4B

What should you do first in solving this equation?
x² + 6x - 13 = 3

• Get factored form
• Write down: a=1, b=6, c=-13
• Make it equal 0 by subtracting 3 on each side
• Type it all in a calculator.

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