Question

Solve the quadratic equation 5x2 - 125 = 0.
A. -5
B. 5
C. ±5
D. ±25

Answer 1

hint: factor your expression

Answer 2

C because when you plug in the numbers it equals 0 :)

Answer 3

lol but what if the multiple choice wasn't there...

Answer 4

is it game over? because guess and check isnt a good way to "learn" math

Answer 5

you arent funny

Answer 6

sounds like a headache, why not just factor it and set terms equal to zero

Answer 7

Wouldn't there be 2 answers here 5 and -5?

Answer 8

\[5x^2-125=0\]\[5(x^2-25)=0\]\[5(x+5)(x-5)=0\]
Identify and solve
(x + 5) = 0
(x - 5) = 0

x = +/- 5

ps you are not funny either

Answer 9

Its C.)

Answer 10

@e.cociuba The answer choice includes a +/- sign, so +/- 5 = +5, -5

Answer 11

Opps srry lol I didn't see tht.