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Review: Finding Solutions to Quadratics

How can I find solutions to quadratics?

• Quadratic Formula

• Factoring

• Graph in Desmos

• Square Root Method

• Completing the Square Method

Solve using the Quadratic Formula:

3x²+8x-91

Multiple Choice

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

Multiple Choice

Use the quadratic formula to find the solutions for

y = -x² - 5x + 12

• No Real Solution

Solve using the Square Root Method:

b²-49=0

Multiple Choice

x² = 16

• ± 4

• ± 8

• 4

• 8

Multiple Choice

-5x² = -50

• ± 5

• ± 10

• ± √10

• -10

Solve using completing the square:

x²+16x+25

Solve by factoring:

2x²+12x-80

Multiple Select

Which method can I use to find solutions to quadratic functions?

• Graphing

• Completing the Square Method

• Quadratic Formula

• Square Root Method

• Cheating Method