5
practice testMultiple Choice

Practice Test

Question 5 • Math 3

Which equation is the inverse of y is equal to x squared minus 36 ?

Answer
A
y is equal to plus or minus square root of x plus 36 end root
B
y is equal to plus or minus square root of x plus 36
C
y is equal to plus or minus square root of x plus 6
D
y is equal to plus or minus square root of x squared plus 36 end root

Explanation

To find the inverse, switch x and y in y = x² − 36: x = y² − 36. Add 36 to get y² = x + 36, then take the square root, giving y = ±√(x + 36). Choice A places both x and 36 under the square root.

AI-written and checked against the verified answer.

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