Question

What are the roots in the following coordinates?
2x^2-8=0

Answer 1

2x^2-8=0

2(x^2-4)=0

x^2 - 4 = 0

(x-2)(x+2) = 0

I'll let you finish

Answer 2

it makes a parabola... positive and negative 2

Answer 3

can you tell me how to finish it? i dont understand how to do these.

Answer 4

well if

(x-2)(x+2) = 0

then

x-2=0 or x+2=0

Answer 5

solve each of those 2 equations for x

Answer 6

thank youu.

Answer 7

yw

Answer 8

would it be (-2, 0) and (2, 0) or did i do it wrong?

Answer 9

x = 2 or x = -2

good

Answer 10

Correct

Answer 11

thanks guys (:

Answer 12

yw