What’s the standard form of the line that passes through (7,-3) and has a y-intercept of 2?
2 answers:
First, let's solve in slope-intercept form since it's easier. After that, we can turn it into standard form.
Recall the format of slope-intercept form: y = mx + b
We know that the y-intercept is 2, so we can input it into our equation ('b' represents the y-intercept!)
y = mx + 2
In order to solve for the slope, input the coordinates (7, -3)
-3 = 7m + 2
-5 = 7m
m = -5/7
y = -5x/7+ 2
In order to turn it into standard form, just make sure 'x' and 'y' are on the same side:
y + 5x/7 = 2 is the standard form of the line
-T.B.
Answer:
Step-by-step explanation:
(y-y)=m(x-x)
(y--3)=2(x-7)
y+3=2x-14
y+3+14=2x
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