Choosing a Method to Solve Quadratics

Choosing a Method to Solve Quadratics

Solving by Square Roots

• When there is NO "b" in the equation

Solving by Completing the Square

• When there is no number with x²

• When "b" is an even number

Solving by Quadratic Formula

• Any equation that can't be solved using other methods

• Any equation

Multiple Choice

What is the best method to solve:

 $2x^2-7x+1=0$  

• Square Roots

• Completing the Square

• Quadratic Formula

Multiple Choice

What is the best method to solve:

 $4x^2-8=78$  

• Square Roots

• Completing the Square

• Quadratic Formula

Multiple Choice

What is the best method to solve:

 $x^2-16x+8=-32$  

• Square Roots

• Completing the Square

• Quadratic Formula

Multiple Choice

What is the best method to solve:

 $2x^2-16x+8=-32$  

• Square Roots

• Completing the Square

• Quadratic Formula

Multiple Choice

What is the best method to solve:

 $x^2-9x+8=-32$  

• Square Roots

• Completing the Square

• Quadratic Formula

Multiple Choice

What is the best method to solve:

 $x^2+8=-32$  

• Square Roots

• Completing the Square

• Quadratic Formula

Multiple Choice

What is the best method to solve:

 $\left(x+2\right)^2-9=8$  

• Square Roots

• Completing the Square

• Quadratic Formula