Solve Perfect Square Quadratics

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 by taking the square root:

x² = 49

• -7

• 7

• 49

• ±7

What value of c would make this a perfect sqaure trinomial?
x² +8x + c

• 4

• 16

• 64

• -16

What value of c would make this a perfect square trinomial?
x² + 2x + c

• 2

• 4

• -2

• 1

In the quadratic function x² - 6x + c what value of c would make q(x) a perfect square trinomial?

• 6

• 3

• 36

• 9

(x + 1) ² + 3 = 15

Solve using square roots.

• ± 1/4

• ± 9/36

• ± 1/2

• No real solution

The quadratic shown is going to be solved by completing the square, the first step is shown

Problem: x² + 6x = 5

Step 1: x² + 6x + (a)   = (b)  

What are the missing values?

• 9

• 14

• 6

• 5

• -6

• -9

• 3

• 8

• 12