3 years ago

Which is the equation in slope-intercept form of the line that contains points A and C?

1 answer:

7 0

We have that

point C(-2,-4)
point A(-4,-2)

we know that
the equation of a line in the intercept form is
y=mx+b

Step 1
find slope m
m=(y2-y1)/(x2-x1)
m=(-2+4)/(-4+2)------> 2/-2-------> m=-1

Step 2
find the value of b
with m=-1 and point C(-2,-4)
-4=-1*(-2)+b--------> -4=2+b-------> b=-6

y=mx+b
y=-x-6

the answer is
y=-x-6

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