Question

Select the correct answer.

Write an expression to represent the sum of three times the square of a number and —7.
In your expression, what is the value of the constant?
Ο Α.
3
O B.
7
OC.
2
OD.
1

Answer 1

3x^2-7

-7 is the constant

3 is the coefficient

x is the variable

Explanation:

(3x^2)+(-7)