16Hit1600
Advanced MathEasy–MediumInput of an exponential function from its output

Advanced Math practice question

In the xy-plane, the graph of y = 2ˣ passes through the point (a, 32). What is the value of a?

Answer: 5

2ᵃ = 32 = 2⁵, so a = 5.

Common wrong answers

If you answered 4
4 gives 2⁴ = 16.
If you answered 6
6 gives 2⁶ = 64.
If you answered 16
16 is 32 ÷ 2, dividing instead of taking a logarithm.

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