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MarilynReyes
 3 years ago
Find the distance between the points (2, 5) and (3, 0)
MarilynReyes
 3 years ago
Find the distance between the points (2, 5) and (3, 0)

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amistre64
 3 years ago
Best ResponseYou've already chosen the best response.0subtract, square, add, sqrt

amistre64
 3 years ago
Best ResponseYou've already chosen the best response.0what do we get when we subtract one point from the other? (2,5)  (3,0)  ? , ?

amistre64
 3 years ago
Best ResponseYou've already chosen the best response.0close; 2   3 = 5 so lets go with 5, 5 :) what do we get when we square each of those values?

amistre64
 3 years ago
Best ResponseYou've already chosen the best response.0there are 4 steps in all, we are at #2 :)

MarilynReyes
 3 years ago
Best ResponseYou've already chosen the best response.0so it's 5, 5 over 2, 2

amistre64
 3 years ago
Best ResponseYou've already chosen the best response.0no, lets focus on squaring the parts that we found: 5, 5 would you agree that this squares to 25,25 ?

amistre64
 3 years ago
Best ResponseYou've already chosen the best response.0the formula for distance is generally stated as:\[d=\sqrt{(xx_o)^2+(yy_o)^2}\] i tend to put the wrong parts in the wrong places so I like to step thru it: subtract square add sqrt

amistre64
 3 years ago
Best ResponseYou've already chosen the best response.0given 2 point: (x,y) and (xo,yo) step1: subtract ( x, y )  (xo,yo)  xxo, yyo step2: square (xxo)^2 , (yyo)^2 step3: add (xxo)^2 + (yyo)^2 step 4: sqrt sqrt((xxo)^2 + (yyo)^2) which is how the formula is developed.
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