frannieswan frannieswan

27-10-2020
Mathematics

contestada

solve the equation. x^2+49=0
a.) no real solution.
b.) x= 7
c.) x= -7
d.) x= -7 and x= 7

Respuesta :

elvinweng elvinweng

27-10-2020

Answer:

C

Step-by-step explanation:

-7 squared is -49, -49 plus 49 is 0.

Answer Link

brooklynkelsch brooklynkelsch

27-10-2020

(-7)^2=49 and 7^2=49
No matter what you plug in for x, squaring it will make it come back positive. Therefore it will be impossible to get -49+49=0. So there is no solution.

a) no real solution

Answer Link

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