Question

Which of the following represents "four times the square of a number is thirty-six"?

A) 42x = 36
B) 4x2 = 36
C) (4x)2 = 36

Answer 1

Option (b) is correct.

Explanation:

Given expression "four times the square of a number is thirty-six"

We have to write it mathematically and choose the correct options out of given options.

Consider the given expression "four times the square of a number is thirty-six"

Then

let the number be x ,

Then four times the square of a number written mathematically as

And given "four times the square of a number is thirty-six" written mathematically as

Therefore, "four times the square of a number is thirty-six" written mathematically as

Answer 2

Option (b) is correct.

`4x^2=36`

Explanation:

Given expression "four times the square of a number is thirty-six"

We have to write it mathematically and choose the correct options out of given options.

Consider the given expression "four times the square of a number is thirty-six"

Then

let the number be x ,

Then four times the square of a number written mathematically as
`4x^2`

And given "four times the square of a number is thirty-six" written mathematically as
`4x^2=36`

Therefore, "four times the square of a number is thirty-six" written mathematically as
`4x^2=36`

Option (b) is correct.