Question

9. The equation y = x2 - 1 is

A. Linear and Proportional
B. Linear and Nonproportional
C. Nonlinear and proportional
D. Nonlinear and nonproportional
Hello pls

Answer 1

It depends on whether or not you have written the question correctly. If the 2 is an exponent, it needs to be preceded by a ^. Otherwise, it is considered a multiplier.
x^2 = x²
x2 = x⋅2

y = x²-1 is nonlinear and nonproportional.