Most Appropriate Method to Solve Quadratic Equations

Which method is MOST EFFICIENT to solve:
5x²  -3x - 7  = 0

• Square Root Method

• Factoring

• Complete the Square

• Quadratic Formula

Factor and Solve

2x² - 3x - 2 = 0

• x = 1, x = -1

• x = -1/2, x = 2

• x = 1/2, x = 2

• x = 1/2, x = 1

Which method do you feel is the best way to solve the following?

• Factor

• Isolation/Solve with Square Roots

• Complete the Square

• Quadratic Formula

What are the steps to solving this by completing the square?

• Subtract 21 from both sides of the equation

• Add 25 to both sides of the equation

• Rewrite the left hand side as a (binomial)²

• Take the square root of both sides of the equation

• Subtract 5 from both sides of the equation

Complete the quadratic formula

Complete the Square and solve the equation.
m² + 12m + 19 = 0

• - 6 ± √ - 19

• 6 ± √ 19

• - 23, - 11

• - 6 ± √ 17

Complete the Square and solve the equation.
m² - 16m = -59

• 8

• 8 ± √ 5

•  ± √ 13

• -8 ± √ 5

Which method is most efficient to solve:
8x²  -  5x  = 0

• Square Roots

• Factoring

• Complete the Square

• Quadratic Formula

Which method is MOST EFFICIENT to solve:
8x²  -  6  = 0

• Square Root Method

• Factoring

• Complete the Square

• Quadratic Formula

What method works 100% of the time? 

• Factoring

• Quadratic Formula

• Factoring

• Square Root Method