Solve Quadratics by Best Method

Solve using the square root method..

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Solve the quadratic equation by the best method.

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Solve the quadratic equation by completing the square.

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Solve the quadratic equation by either completing the square OR the quadratic formula.

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Select the solutions to the equation

4x² + 11x + 7 = 0

• x = - 1.75

• x = 6

• x = - 1

• x = 1

What are the solutions to the quadratic equation?

• x = -4

• x = 1

• x = -1

• x = 2

• x = 4

Match the following methods to solve quadratic equations with the scenario it is best used in

• when the equation is factorable

• SQUARE ROOTS

• can be used in all cases

• FACTORING

• when b is an even number if a=1

• QUADRATIC FORMULA

• to check solutions

• COMPLETING THE SQUARE

• when there is no "bx" term

• GRAPHING

The quadratic function y = -2x² + 4x + 6 is pictured. What are the solutions to the equation 7.5 = -2x² + 4x + 6?

• x = 0.5

• x = 1.5

• x = 1

• x = 8

• x = 6

Match the following.

• By graphing

• Solve using the Zero-Product Property

• By factoring

• Using square roots

What are the solutions for this quadratic equation?

• -4 and 0

• 4 and 0

• -2 and 4

• -2 and -4