What is the additive inverse of -7x^2 + y?

A. 7x^2 + y

b. 7x^2 − y

C. 7x − y

d. -7x^2 − y

Question

What is the additive inverse of -7x^2 + y?

A. 7x^2 + y

b. 7x^2 − y

C. 7x − y

d. -7x^2 − y

larseighner · Answer

Additive inverse of something is what when added to the something give 0 as a result.  That is all you need to know.

Example

3
additive inverse is -3 since
3 + (-3) = 0

anonymous · Answer

so its A?

larseighner · Answer

Test to see if you are right:
-7x^2 + y + (7x^2 + y) = 2y
But that is not zero.  So, no.

anonymous · Answer

no..try otther option ...

anonymous · Answer

oh its B xD right?

anonymous · Answer

math is a subject that can be learn by practice not by just  selecting...

anonymous · Answer

but im pretty sure its B ./..

anonymous · Answer

but i just want to be sure.

anonymous · Answer

if you put D then see it..
-7x^2-7x^2+y=-14x^2+y

anonymous · Answer

yuppp..its B...try it here..!!!

larseighner · Answer

Test to see if you are right
-7x^2 + y +(7x^2 − y) = 0
So, yes.

anonymous · Answer

thanks ;d