If the distance between the points A(2,-3) and B(2,a) is 5,then the negative value of a is:
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Answered by
0
Answer:
a=5/root-4
Step-by-step explanation:
A(2, -3) B(2, a)
AB=5
AB=0+root-4a
5=root-4a
a=5/root-4
Answered by
0
Answer:
A(2, -3) & B(2, a)
AB=5
√(2-2) ²+{a+3) ²=5
0+(a+3) ²=25
a²+9+6a=25
a²+6a-16=0
a²-2a+8a-16=0
a(a-2)+8(a+2) =0
(a-2) (a+8) =0
a=2 or a=-8
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