Question

Just by looking at y = −x 2 + 1, how do you know that it does not represent a line?

A) x is squared.
B) There is no constant term.
C) There is an increase of 1.
D) The coefficient is − 1.

Answer 1

x is squared. is correct.

y = mx + b represents a line. The x term is to the first power. In y = −x2 + 1, the x is squared.

Answer 2

the answer is A but im not 100% sure