Methods of Solving Quadratic Equations

Decide on the best method:
3a² + 13a = -4

• Square Root Method

• Factor Method

• Complete the Square

• Quadratic Formula

Tags

CCSS.HSA-REI.B.4B

Solve : b² - 2b - 8 = 0

• -2, 4

• -8

• ±8

• No real solution

Tags

CCSS.HSA-REI.B.4B

Solve: 2n² + 4n - 16 = 0

• -4, 2

• -2, 4

• -16

• -4

Tags

CCSS.HSA-REI.B.4B

Solve the following equation by completing the square:
n² - 2n - 3 = 0

• {3 and-1}

• {4 and -4}

• {5 and -3}

• {8 and -7}

Tags

CCSS.HSA-REI.B.4B

What are the two methods of solving quadratic equations?​ (a)   ​ (b)  

• Factoring

• Quadratic Formula

• Plugging in numbers

• Guess and check

• Asking Ms. Casale

Tags

CCSS.HSA-REI.B.4B

Match the following.

• Solve using the Zero-Product Property

• Using square roots

• By factoring

• By graphing

Tags

CCSS.HSA-REI.B.4B

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

• when b is an even number if a=1

• GRAPHING

• when there is no "bx" term

• FACTORING

• when the equation is factorable

• QUADRATIC FORMULA

• to check solutions

• SQUARE ROOTS

• can be used in all cases

• COMPLETING THE SQUARE

Tags

CCSS.HSA-REI.B.4B

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

What is the BEST method to solve the following quadratic equations.

• by

  Square Root

• by

  Quadratic Formula

• by

  Factoring

Tags

CCSS.HSA-REI.B.4B

Select the solutions to the equation

4x² + 11x + 7 = 0

• x = - 1.75

• x = 6

• x = - 1

• x = 1