Question

What is the value of -3r+ 8 when r=4?
0 -12
0 -4
O4
o 12

Answer 1

4

Explanation:

-3r + 8

r = 4

Substitute r with the number it stood in for.

-3(4) + 8

Do the multiplication first.

-12 + 8

or

8 - 12

Compute.

-12 + 8 = 4

Your answer is 4

Answer 2

The correct answer is -4.