Question

Part 1: Solve the following equation using one of the methods listed below. Show all work.
Part 2: Using complete sentences, explain why you chose the method you used.

Equation:
0 = x^2 + 8x + 4

Methods:
Completing the Square
Factoring
Quadratic Formula
Graphing

Answer 1

@dmezzullo

Answer 2

idk how to do this but these ppl do.
@Mertsj
@hartnn
@jim_thompson5910

Answer 3

@radar

Answer 4

I usually try factoring first. Did you try that?

Answer 5

yea but i cant seem to find anything that fits

Answer 6

Me either. So let's move on. If the coefficient of x^2 is 1 and the coefficient of x is even, I usually complete the square. Want to do that?

Answer 7

Good idea!

Answer 8

yes please

Answer 9

Get the 4 over to the other side.

Answer 10

Take 1/2 of the coefficient of x and square it and add that number to both sides.

Answer 11

What are you adding to both sides?

Answer 12

How do i take half of the coefficient of x and square it?

Answer 13

What is the coefficient of x?

Answer 14

1?

Answer 15

8x ....the coefficient is 8

Answer 16

What is 1/2 of 8?

Answer 17

oh sorry >_<

Answer 18

half of 8 is 4

Answer 19

And 4 squared is?

Answer 20

16

Answer 21

Add 16 to both sides of the equation