Question

question 8
lesson 1 - 4 practice: midpoints and bisectors
the point q is the mid - point of $overline{pr}$. find the location of r.
location of r:

Explanation:

Step1: Recall mid - point formula

Let $P=-13$, $Q = - 3$, and $Q$ is the mid - point of $\overline{PR}$. The mid - point formula for a number line is $Q=\frac{P + R}{2}$.

Step2: Solve for $R$

$-3=\frac{-13 + R}{2}$, multiply both sides by 2: $-6=-13 + R$. Then add 13 to both sides: $R=-6 + 13=7$.

Answer:

$7$