SOLUTION: Given (10, –2) with a slope of –1, I find an equation for the line by plugging in values I'm given into a point-slope form equation. Thus I have y – (–2) = –1( x –10), which result
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-> SOLUTION: Given (10, –2) with a slope of –1, I find an equation for the line by plugging in values I'm given into a point-slope form equation. Thus I have y – (–2) = –1( x –10), which result
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Question 658706: Given (10, –2) with a slope of –1, I find an equation for the line by plugging in values I'm given into a point-slope form equation. Thus I have y – (–2) = –1( x –10), which results in an equation of y = –x + 8.
A.
The student improperly set up the equation to find the y-intercept.
B.
The student used the correct equation to find the y-intercept. However, he did not solve for the y-intercept properly.
C.
The slope in the final equation is not correct.
D.
The mathematical work shown above is correct. Answer by MathLover1(20850) (Show Source):
