Question

EXTRA POINTS! Evaluate the expression 7x2y, when x = 3 and y = 4. A.168 B.252 C.336 D.794

Answer 1

A

Explanation:

Put the values of x and y into the expression, then multiply the values.

7 x 3 x 2 x 4 = 168

Answer 2

B. 252

Explanation:

`7x^2y`

Put x as 3 and y as 4.

`7\left(3\right)^2\left(4\right)`

Evaluate.

`7(9)(4)`

`=252`