Quadratic Formula

Front

What is this formula?

Back

This is the quadratic formula.

Front

Determine the values of a, b, and c for the quadratic equation: 4x² – 8x = 3

Back

a = 4, b = -8, c = -3

Front

Solve 2x² + 2x - 12 using the quadratic formula.

Back

2, -3

Front

Solve 2x² + 7x - 15 = 0

Back

-5 or 3/2

Front

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

Back

Subtract 3 from both sides.

Front

The quadratic equation can be used to solve quadratic equations that cannot be factored.

Back

True

Front

Preferred way of solving the quadratic equation: x² + 6x - 13 = 3? Options: Factoring, Quadratic Formula, Completing the Square

Back

Completing the Square

Front

Solve 2r² - 3r -5 = 0 using the quadratic formula

Back

x = 5/2, -1

Front

Solve n² - 4n + 4 = 0 using the quadratic formula

Back

x = 2

Front

Which method do you feel most comfortable with? (We will be completing the square on Monday)

Back

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