Question

Which equation is the inverse of y = x2 + 16?

0 y=x²-16
y=i -16
y=+-16
y = x2 - 4

Answer 1

y = ±√(x-16)

Explanation:

To find the inverse of an equation, swap the x- and y-variables:

y = x² + 16

x = y² + 16

Then, solve for the y-variable:

x = y² + 16

y² = x - 16

y = ±√(x-16)