SOLUTION:
HI! Can you please assist me with this problem. Thank you
A line has a slope of 8 and includes the points (10,9) and (a,1). What is the value of a?
a=
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Question 1089997:
HI! Can you please assist me with this problem. Thank you
A line has a slope of 8 and includes the points (10,9) and (a,1). What is the value of a?
a=
Answer by jim_thompson5910(35256) (Show Source): You can put this solution on YOUR website!
The points (10,9) and (a,1) can be thought of as (x1,y1) and (x2,y2) respectively.
So,
(x1,y1) = (10,9)
(x2,y2) = (a,1)
which means
x1 = 10, y1 = 9
x2 = a, y2 = 1
The given slope is m = 8. Plug this m value and the x,y values discussed above, into the slope formula. Then solve for 'a'
Multiply both sides by (a-10)
Distribute
Add 80 to both sides
Divide both sides by 8 to isolate 'a'
Answer: a = 9
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