Advanced MathEasyRatio of two values of an exponential
Advanced Math practice question
The value of 2ˣ when x = 5 is how many times the value of 2ˣ when x = 3?
Answer: 4
32 ÷ 8 = 4.
Common wrong answers
- If you answered 2
- 2 is the difference in x, not the factor.
- If you answered 8
- 8 is 2³ alone.
- If you answered 24
- 24 subtracts 8 from 32.
More Advanced Math questions
- Easy
If f(x) = 3x − 7, what is the value of f(5)? - Easy
What are the solutions to x² − 9 = 0? - Easy
Which of the following expressions is equivalent to x² + 7x + 12 ? - Easy
The function g is defined by g(x) = x³ + 2x. What is the value of g(−2) ? - Easy
For x > 0, which of the following is equivalent to ∛(x⁵) ? - Easy
The function h is defined by h(x) = (x − 6)(x + 2). What is one value of x for which h(x) = 0 ?
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