Question

What is the distance between points (7, -4) and (7, 9)?

Answer 1

13

Explanation:

The formula of a distance between two points:

`d=√((x_2-x_1)^2+(y_2-y_1)^2)`

We have the points (7, -4) and (7, 9). Substitute:

`d=√((7-7)^2+(9-(-4))^2)=√(0+13^2)=√(13^2)=13`

Used
`√(a^2)=a`