The graph below shows places in a math classroom. Each unit represents 1 foot. What is the distance, in feet, between the pencil sharpener and the door? Round your answer to the nearest tenth.

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1 Answer
Feb 20, 2018

8.9 feet.

Explanation:

You can use the distance formula.

d = sqrt((x_2 - x_1)^2 + (y_2 - y_1)^2)

The pencil sharpener is at (2, 1), and the door at (-6, -3).

d = sqrt((2-(-6))^2 + (1-(-3))^2)
d = sqrt(8^2 + 4^2)
d = sqrt(80)
d = 8.9