Question

Which of the following expressions best describes what is modeled on the number line?

A.4(-1)

B.4(1)

C.1(-4)

D.(-1)(-4)

100 points

Answer 1

Check each arrow

• All have unit lengths of 1
• They have backward sign means negative direction

• They are 4

So the expression is

• 4(-1)

Answer 2

B. 4(1)

Explanation:

Modeled on the number line