Question

problem 2
select the number line that represents $3 \cdot (-6)$.
you can think of $3 \cdot (-6)$ as 3 groups of $-6$.

Explanation:

Step1: Interpret the expression

$3 \cdot (-6)$ means 3 groups of $-6$. On a number line, negative values move left from 0.

Step2: Match to number line

The first number line shows 3 rightward moves of +6, which represents $3 \cdot 6$. The second number line shows 3 leftward moves of -6, which matches $3 \cdot (-6)$.

Answer:

The bottom number line (with three leftward arrows labeled $-6$ starting from 0)