Answer
$\sqrt{10}$
Work Step by Step
$(x_{1},y_{1}) = (1,1)$
$(x_{2},y_{2}) = (-2,2)$
$[d(P_1,P_2)]^{2} =(x_{2}-x_{1})^{2}+(y_{2}-y_{1})^{2} =(-2-1)^{2}+(2-1)^{2}= 9+1=10$
$d(P_1,P_2) =\sqrt{10}$
Precalculus: Concepts Through Functions, A Unit Circle Approach to Trigonometry (3rd Edition)
by Sullivan III, Michael
Published by
Pearson
ISBN 10:
0-32193-104-1
ISBN 13:
978-0-32193-104-7
Chapter F - Foundations: A Prelude to Functions - Section F.1 The Distance and Midpoint Formulas - F.1 Assess Your Understanding - Page 6: 17
Update this answer!
You can help us out by revising, improving and updating this answer.
Update this answerAfter you claim an answer you’ll have 24 hours to send in a draft. An editor will review the submission and either publish your submission or provide feedback.
