Mathematics
chiquii
2015-11-13 12:19:27
Find the length of the segment. round to the nearest tenth of a unit Q(-3,5) R(2,3)
ANSWERS
melynyc
2015-11-13 15:05:38

[latex]f extit{distance between 2 points}\ quad \ egin{array}{lllll} &x_1&y_1&x_2&y_2\ % (a,b) Q&({{ -3}}quad ,&{{ 5}})quad % (c,d) R&({{ 2}}quad ,&{{ 3}}) end{array}qquad % distance value d = sqrt{({{ x_2}}-{{ x_1}})^2 + ({{ y_2}}-{{ y_1}})^2} \\\ QR=sqrt{[2-(-3)]^2+[3-5]^2}implies QR=sqrt{(2+3)^2+(3-5)^2} \\\ QR=sqrt{5^2+(-2)^2}implies QR=sqrt{25+4}implies QR=sqrt{29}[/latex]

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