Best Method of Solving Quadratics

Choose the best method to solve this quadratic:

​ (a)  

-3 = 4x² + 9x

• Quadratic Formula

• Square Roots

• ZPP

Tags

CCSS.HSA-REI.B.4B

Choose the best method to solve this quadratic:

​​ (a)  

x² + 8x - 13 = 0

• Square Roots

• ZPP

• Quadratic Formula

Tags

CCSS.HSA-REI.B.4B

Choose the best method to solve this quadratic:

​ ​ (a)  

x² = - x + 1

• Quadratic Formula

• ZPP

• Square Roots

Tags

CCSS.HSA-REI.B.4B

Choose the best method to solve this quadratic:

​ ​ ​ (a)  

x² - 8x - 5 = 0

• ZPP

• Square Roots

• Quadratic Formula

Tags

CCSS.HSA-REI.B.4B

What would be the best method to solve this quadratic? (You don't have to solve!)

• Factoring

• Square roots

• Completing the square

• Quadratic formula

Tags

CCSS.HSA-REI.B.4B

What method is being used to solve the Quadratic?

• Quadratic Formula

• Factoring

• Completing the Rectangle

• Completing the Square

Tags

CCSS.HSA-REI.B.4B

What would be the best method to solve this quadratic? (You don't have to solve!)

• Factoring

• Square roots

• Completing the square

• Quadratic formula

Tags

CCSS.HSA-REI.B.4B

What's the FIRST thing you should ALWAYS look to do first when solving quadratics?

• check your "a" term to = 1

• check to see if you can factor

• always use quadratic formula

• all of the above

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

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