1.

Find the value of Y if distance between the points A[4,-4] and B [-2,Y] is 10 *​

Answer»

ong>Step-by-step EXPLANATION:

Distance between A and B= √(-2-4)² + (Y+4)²

→10= √(-6)²+(Y+4)²

→(10)²=[√(-6)²+(Y+4)²]²

→100=36+Y²+16+8Y

→100-36-16=Y²+8Y

→48=Y²+8Y

→Y²+8Y-48=0

→Y²+12Y-4Y-48=0

→Y(Y+12)-4(Y+12)=0

→(Y-4)(Y+12)=0

→Y=4, Y=-12

Here is UR solution..

Hope so it will HELP you dear ☺️



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