SOLUTION: Please help me solve this problem---- Write an equation in slope-intercept form for the line that contains the points (2, 1) and (-2, 10). my answer y=-9/4x -12-- wrong answer

Question 657379: Please help me solve this problem---- Write an equation in slope-intercept form for the line that contains the points (2, 1) and (-2, 10).
my answer y=-9/4x -12-- wrong answer on the exam
Answer by MathLover1(20849) (Show Source): You can put this solution on YOUR website!
an equation in slope-intercept form:

for the line that contains the points (, ) and (, ), will be:
....plug in given values for and from the point (, )
...........1
....plug in given values for and from the point (, )
...........2
--------------------------------solve the system
...........1

...........2
-------------------------------add 1 and 2

......solve for

now we can find
...........1

so, our equation is:

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