Question

Give the best method for solving 2y^2+8y=0
a.factoring
b.property of sqaure roots of equal numbers
c.completing the square
d. quadratic formula

Answer 1

there is no "best method"

Answer 2

welll its in my book and its multiple choice and those are the answers so i have to pick one

Answer 3

the "best method" is the one that gets a solution. and since b is the only thing i dont recognize id try to avoid that one

Answer 4

so quadratic formula

Answer 5

factoring is the easiest..

Answer 6

I'd say factoring...

Answer 7

by factoring:

2y^2 + 8y = 0

2y (y + 4) = 0

y = 0, -4

..........................
by CTS

2y^2 + 8y = 0

y^2 + 4y = 0

y^2 + 4y +4 = 4

(y+2)^2 = 4

y+2 = +- sqrt(4)

y = -2 +- 2 ; y=0, -4

------------------------

quad form

2y^2 + 8y = 0


-8 +- sqrt(8^2-4(2)(0))
--------------------
2(2)


-8 +- 8
------- ; y = 0, -4
4

Answer 8

there is no "best" method of solving this

Answer 9

k thanks youn tried but you stilll arent getting what im asking but whatever