?9.
The distance between the points (3, 1) and ( 0, x) is 5 units. Find x.
Answers
Answered by
1
Answer: the value of x is 5
Step-by-step explanation:
Answered by
1
Answer:
Step-by-step explanation:
Distance formula is√(x2-x1)^2+√(y2-y1)^2
√(0-3)^2+(x-1)^2=5
9+x^2+1-2x=25
x^2-2x+10-25=0
x^2-2x-15=0
x^2-5x+3x-15=0
x(x-5)+3(x-5)=0
(x-5)(x+3)=0
x=5 or -3
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