Question

Find the distance between the points (-3, -3), (4, 5). [2 MARKS]

Answer 1

Concept : 1 Mark
Application : 1 Mark

Distance between points $A(x_1,y_1)$ and $B(x_2,y_2)$ is,

$D=\sqrt{{(x_2-x_1)}^2+{(y_2-y_1)}^2}$

$D=\sqrt{{(4-(-3\left)\right)}^2+{(5-(-3\left)\right)}^2}$

$D=\sqrt{7^2+8^2}$

$D=\sqrt{113}units$