Solve Completing the Square a Not Equal to 1

Decide on the best method:

x² + 2x = -9

• Isolation Method

• Factor Method

• Complete the Square

• Quadratic Formula

• Isolation Method

• Factoring

• Completing the Square

• Quadratic Formula

How do I find the "MAGIC Number" when completing the square?

• Move c to the other side

• b value divide by 2 and square 

• Make 2 equations, one = + and one = -

• Square root both sides

Solve the following quadratics equation by completing the square... x² + 4x + 1 = 0

• x = -2 ± √3

• x = -3 ± √2

• x = 2 ± √3

• x = 2 ± √2

Solve for the POSITIVE SOLUTION ONLY of x by completing the square. ROUND to the nearest hundredth (2 decimal places).

Mathematical Equivalence

ON

• 8

• 64

• 16

• 4

• 256

Kevin wants to solve the equation by completing the square. What values complete the equation?

• 8

• 64

• 16

• 4

• 256

Solve the following quadratics equation by completing the square... x² - 6x + 2 = 0

• x = -3 ± √7

• x = 3 ± √7

• x = 7 ± √3

• x = -7 ± √3

Solve the following quadratics equation by completing the square... x² + 2x - 5 = 0

• x = -1 ± √6

• x = 1 ± √6

• x = 6 ± √1

• x = -6 ± √1