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2 years ago

12

A line passes through (1, - 1) and (3, 5). What is the equation of the line in slope-intercept form?

1 answer:

lisabon 2012 [21]2 years ago

8 0

Answer: a+b+c=0 and 3a+5b+c=0

Step-by-step explanation:

If you find a solution to these equations, you will find an equation of your line. Please notice that (a,b,c) defines the same line as (ka,kb,kc) and for any non-zero k, and a=b=c=0 defines no line equation at all. Now you can take a=1 and solve for b and c, or take b=1 and solve for a and c, or take c=1 and solve for a and b, at least one of these will work.

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Read 2 more answers