Unit 2 Midpoint, Slope, & Distance Review

What is the midpoint of  $\overline{AB}$ if  $A\left(2,-4\right)$ and  $B\left(-6,5\right)$ ?

•  $M\left(-4,\frac{9}{2}\right)$  

•  $M\left(-2,\frac{1}{2}\right)$  

•  $M\left(11,-\frac{113}{8}\right)$  

•  $M(0,0)$  

What is the midpoint of  $\overline{AB}$ if  $A\left(6,4\right)$ and  $B\left(-2,3\right)$ ?

•  $M\left(4,\frac{1}{2}\right)$  

•  $M\left(-2,\frac{1}{2}\right)$  

•  $M\left(1,-\frac{3}{8}\right)$  

•  $M(2,3.5)$  

If the midpoint of  $\overline{JK}$ is  $M\left(0,-6\right)$ and $J\left(2,4\right)$ and  $K\left(-2,a\right)$ , what is the value of a?

•  $4$  

•  $-2$  

•  $-16$  

•  $-4$  

If the midpoint of  $\overline{AB}$ is  $M\left(2,6\right)$ and $A\left(-2,3\right)$ and  $K\left(a,9\right)$ , what is the value of a?

•  $2$  

•  $6$  

•  $-6$  

•  $-2$  

What is the slope of the line?

• $-2$

• $2$

• $\frac{1}{2}$

• $-\frac{1}{2}$

What is the slope of the line?

• $-2$

• $2$

• $\frac{1}{2}$

• $-\frac{1}{2}$

What is the slope of the line?

• $\frac{1}{4}$

• $4$

• $-\frac{1}{4}$

• $-4$

What is the slope of the line?

• $\frac{2}{3}$

• $\frac{3}{2}$

• $-\frac{3}{2}$

• $-\frac{2}{3}$

What is the slope of a line that contains points  $J\left(-4,7\right)$ and  $K\left(-6,-4\right)$ ?

•  $-\frac{11}{2}$  

•  $-\frac{2}{11}$  

•  $\frac{2}{11}$  

•  $\frac{11}{2}$  

What is the distance of  $\overline{JK}$ such that $J\left(1,-19\right)$ and  $K\left(-2,-7\right)$ ? Round to the nearest hundredth if needed.

•  $12.37$  

•  $11.61$  

•  $153$  

•  $135$