Which polynomials are listed with their correct additive inverse? Check all that apply.
x2 + 3x – 2; –x2 – 3x + 2
–y7 – 10; –y7 + 10
6z5 + 6z5 – 6z4; (–6z5) + (–6z5) + 6z4
x – 1; 1 – x
(–5x2) + (–2x) + (–10); 5x2 – 2x + 10

Question

Which polynomials are listed with their correct additive inverse? Check all that apply.
x2 + 3x – 2; –x2 – 3x + 2 
–y7 – 10; –y7 + 10 
6z5 + 6z5 – 6z4; (–6z5) + (–6z5) + 6z4
x – 1; 1 – x
(–5x2) + (–2x) + (–10); 5x2 – 2x + 10

anthonyym · Answer

The additive inverse is the expression opposite in sign of the given expression. The number and its additive inverse also yield 0 when added together. For example, the additive of inverse of 2 is -2.

anthonyym · Answer

To find the additive inverse, you can multiply by -1, which will change the sign.