Given A (-2,3) and AB = 10 units. If ordinate of B is 9 , find abscissa of B
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Answer:
abscissa =6 or(-10)
Step-by-step explanation:
d=√(x2-x1)^2 + (y2-y1)^2
10=√(b+2)^2 + (9-3)^2
100=x^2 + 4x + 40
(x+10)(x-6)=0
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