SOLUTION: write an equation of the line containing the given points 1. A(2,7), B(3,4) 2. P(-1,3), Q(0,4) 3. S(10,2), T(2,-2) 4. D(7,-4), E(-5,2)

Algebra ->  Linear-equations -> SOLUTION: write an equation of the line containing the given points 1. A(2,7), B(3,4) 2. P(-1,3), Q(0,4) 3. S(10,2), T(2,-2) 4. D(7,-4), E(-5,2)       Log On


   

Question 359216: write an equation of the line containing the given points
1. A(2,7), B(3,4) 2. P(-1,3), Q(0,4) 3. S(10,2), T(2,-2) 4. D(7,-4), E(-5,2)
Answer by Fombitz(32388) About Me  (Show Source):
You can put this solution on YOUR website!
Find the slope first.
m=%28y%5B2%5D-y%5B1%5D%29%2F%28x%5B2%5D-x%5B1%5D%29
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m=%284-7%29%2F%283-2%29
m=-3%2F1
m=-3
Then use the point-slope form of a line with either point,y-y%5Bp%5D=m%28x-x%5Bp%5D%29
y-4=-3%28x-3%29
y-4=-3x%2B9
highlight%28y=-3x%2B13%29
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Follow the same procedures for the remaining problems.