Question

What is the distance between the points (2, -3) and (9, 4)?
(Round to the nearest tenths)

Answer 1

Answer:

            d = 9.9

Step-by-step explanation:

$d=\sqrt{(x_2-x_1)^2+(y_2-y_1)^2}\\\\d=\sqrt{(9-2)^2+(4+3)^2}=\sqrt{7^2+7^2}=\sqrt{2\cdot7^2}=7\sqrt2=9.8994...\approx9.9$