What is the slope of a line that passes through the point (−1, 1) and is parallel to a line that passes through (4, 6) and (−1, −4)

Question

zepp · Answer

They only ask for the slope, and two parallel functions has the ______ slope.

anonymous · Answer

so I should solve the slope of the 4,6 and -1,-4

zepp · Answer

Yes, that's right. :)

zepp · Answer

Since two parallel functions have the same slope.

anonymous · Answer

Slope of line that passes through (4,6) and (-1,-4) is (6-(-4))/(4-(-1))=10/5=2.
Since lines are parallel then their slopes are equal. SO, required line has form y=2x+b. To find b use the fact that line passes through (-1,1): 1=2*(-1)+b -> b=3
Answer: y=2x+3

zepp · Answer

$\huge m=\frac{y2-y1}{x2-x1}$

zepp · Answer

@simamura, the answer is 2 :)

anonymous · Answer

ok I solved and got 2/-3

anonymous · Answer

@zepp you're right.

zepp · Answer

$\huge m = \frac{-4-6}{-1-4}=\frac{-10}{-5}=2$