For powers where the exponent is 2 or 3, algebra gives each one a special spoken name. What is a raised to the power 3 called?
Aa squared
Ba doubled
Ca tripled
Da cubed
Answer & Solution
Correct answer: D. a cubed
1. Powers with exponent 2 and exponent 3 each get their own special spoken name.
2. The exponent 2 gives the name squared, so a to the second power is a squared.
3. The exponent 3 gives the name cubed, so a to the third power is a cubed.
_Source: OpenStax Prealgebra (CC BY 4.0), Ch 2 "The Language of Algebra", section 2.1 Use the Language of Algebra_
Keep practising The Language of Algebra
Browse all The Language of Algebra questions for Key Stage 3 (KS3), or explore more Mathematics topics.
Related questions
Complete the number line rulePick the number line fact, fastThe number 1 has only one factor, itself. Where does 1 fit among prime and composite numbeA prime number is a counting number greater than 1 with what property regarding its factorIf two counting numbers a and b multiply to give m, what are a and b called?Is 645 divisible by 3, using the divisibility test based on the sum of its digits?Using the divisibility test for 2, which digit in the ones place tells you a number is divA number is a multiple of n when it fits which description?