Question

Evaluate-2xy, if x=-4 and y=1.
32
0-16
0-32
16

Answer 1

8

Explanation:

This question asks for us to substitute values of variables into the following equation: -2xy

We know two pieces of information:

• x = -4
• y = 1

All we have to do is substitute the values for variables.

-2xy

-2(-4)(1)

= 8(1)

=8