malibugranprix2000
Find the distance d(p1, p2) between the points p1, p2.
p1=(4,4); p2=(5,1)



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hartnn
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Distance between points (x1,y1) and (x2,y2) is
\(\huge d=\sqrt{(x_1x_2)^2+(y_1y_2)^2}\)
does this help ??

malibugranprix2000
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I got square root of 26 so far.

malibugranprix2000
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if I simplify that it goes into 2 * 13?

malibugranprix2000
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is 2 square root of 13 the answer?

hartnn
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sqrt 26 is the correct answer
u can't simplify that to 2 square root of 13

Mimi_x3
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I think the formula should be \[\huge d=\sqrt{(x_2x_1)^2+(y_2y_1)^2}\]
or is it the same thing?

hartnn
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same thing

malibugranprix2000
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how come this answer I got right it was 2 square root of 17
the problem was p1(4,3) pr(2,5)

malibugranprix2000
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it came out to be square root of 68 that couldn't be simplified right?

hartnn
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yeah, \(\huge \sqrt {68}= \sqrt {4*17}= \sqrt 4 \sqrt 17 =2\sqrt17\)



hartnn
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welcomes ^_^