Karen Morrison and Nick Hamshaw Solutions for Exercise 7: Exercise 10.7

Find the length and the coordinates of the midpoint of the line segment joining each pair of points.

$\left(-2,-4\right)$ and $\left(-3,7\right)$

Use the graph to find the length and the midpoint of each line segment. 

Find the distance from the origin to point $(-3,-5)$.

Which of the points $A(5, 6)$ or $B(5,3)$ is closer to point $C(-3,2)$?

Which is further from the origin, $A(4,2)$ or $B(-3,-4)$?

Triangle $ABC$ has its vertices at points $A(0,0), B(4,-5)$ and $C(-3,-3)$. Find the length of each side.

The midpoint of the line segment joining $(10, a)$ and $(4, 3)$ is $(7, 5)$. What is the value of $a$?

The midpoint of line segment $DE$ is $(-4, 3)$. If point $D$ has the coordinates $(-2, 8)$, what are the coordinates of $E$?