Question

problem 1
select the number line that represents $5 \cdot (-7)$.
you can think of $5 \cdot (-7)$ as 5 groups of $-7$.

Explanation:

Step1: Interpret the expression

$5 \cdot (-7)$ means 5 groups of $-7$.

Step2: Match to number line

A negative value on a number line is represented by leftward arrows. 5 leftward arrows each of $-7$ starting from 0 matches the bottom number line.

Answer:

The bottom number line (with 5 leftward arrows each labeled $-7$, starting at 0)