Represent the following sentence as an algebra expression, where “ a number” is the letter x. The cube of the sun of a number and 8.
Mathematics · College · Tue Nov 03 2020
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Represent the following sentence as an algebra expression, where “ a number” is the letter x. The cube of the sum of a number and 8.
Representation:
The statement says cube, which means we will need to raise the expression by 3 since the degree of a cubic function is 3. The other phrase read as sum of a number and 8 therefore, we will add x with 8, and enclose it with a parenthesis since we need to cube it.
= ( x + 8 )^3
Final answer:
( x + 8)^3