Question

A(3,2) B(-4,-7) find AB in units​

Answer 1

Answer:

$\sqrt{130}$ units

Step-by-step explanation:

for this we use the distance formula:

$d=\sqrt{((x_2-x_1)^2+(y_2-y_1)^2)}$

$let,x_1=3,x_2=-4,y_1=2,y_2=-7$

$d = \sqrt{((-4-3)^2+(-7-2)^2)}$

$d = \sqrt{(-7)^2+(-9)^2}$

$d = \sqrt{49+81}$

$d = \sqrt{130}$ units

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Answer 2

Answer:

use formula of distance √x2-x1 2 +y2-y1 2

consider A as X1 Y1

consider B as X2 Y2

√{(-4)-(3)}2+{(-7)-(2)}2

√(-4+3)2+ (-7-2)2

√(-1)2+ (-9)2

√1+81

√ 82

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