How do you write an algebraic expression for the phrase "a number minus the cube of 4"?

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How do you write an algebraic expression for the phrase "a number minus the cube of 4"?

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Answer 1 · 2017-01-18T18:42:22

If $n$ $n$ is "a number", then it's $n - 4^{3}$ $n - 4^3$ .

Explanation:

No real explanation here, just the fact that referring, arbitrarily, to "a number" signals the usage of a variable, that is represented by a letter. "minus the cube of four" can be interpreted as either $- 4^{3}$ $-4^3$ or $- 64$ $-64$ , although since we need our algebraic interpretation to be as close as possible to the description, it's more accurate to write $- 4^{3}$ $-4^3$ .

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How do you write an algebraic expression for the phrase "a number minus the cube of 4"?

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