ACT · Mathematics

Exponents and radicals

18 practice questions, each with the answer and an explanation.

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Random questions from this topic, one at a time. You see the answer and the explanation straight after each one.

All 18 questions

  1. If , what is the value of ?
  2. If , what is the value of ?
  3. If , what is the value of ?
  4. If , what is the value of ?
  5. If , what is the value of ?
  6. If , what is the value of ?
  7. If , what is the value of ?
  8. If , what is the value of ?
  9. If , what is the value of ?
  10. If , what is the value of ?
  11. For all real , is equivalent to which expression?
  12. What is the solution of the equation ?
  13. Which expression is equal to with a rational denominator?
  14. If , what is the value of ?
  15. What is the value of ?
  16. If , what is the value of ?
  17. Which of the following is equivalent to ?
  18. For positive and , which expression equals ?

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