Question

Which multiplication problem is modeled on the number line?

2(– 4)
4(2)
2(4)
4(– 2)

Answer 1

4(-2) is modeled on the number line.

Explanation:

because you have to do the same thing .so you start on negative 2 and jump 4 spaces to the right

Answer 2

4(-2) is modeled on the number line.

Explanation:

Step 1:

The multiplication problem's answer is -8, so first, we need to determine which options actually equal the answer.

We individually determine how much each of the options equal.

Step 2:

`2(-4)= -8`, option 1 equals -8, so it could be the answer.

`4(2)=8,` option 2 does not equal -8, so it cannot be the answer.

`2(4)=8,` option 3 also does not equal -8, so it cannot be the answer.

`4(-2)= -8,` option 4 does, so it could be the answer.

Step 3:

In the number line, 4 arrows are equalling -2 every time. So the answer is option 4.
`4(-2)`.