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Kipish [7]
3 years ago
9

write an equation in slope intercept form of a line that passes through the point (14, 8) and is (a) parallel (v) perpendicular

to the line that passes through the points (4,9) and (-3, 6)
Mathematics
1 answer:
svet-max [94.6K]3 years ago
5 0

Answer:

y-8=-\frac{7}{3} (x-14)

Step-by-step explanation:

We can write the equation of a line in 3 different forms including slope intercept, point-slope, and standard depending on the information we have. We have a point and a slope from the equation. We will chose point-slope since we have a point and can find the slope.

Point slope:y-y_1=m(x-x_1)

We must find the slope using the slope formula.

Slope:m=\frac{y_2-y_1}{x_2-x_1}

We substitute x_1=4\\y_1=9 and x_2=-3\\y_2=6

m=\frac{6-9}{-3-4}

m=\frac{6-9}{-3-4}=\frac{-3}{-7} =\frac{3}{7}

m\neq \frac{3}{7} in our new equation because it is perpendicular to it. This means we will need to change it into its negative reciprocal which is m=-\frac{7}{3}.

We will substitute m=-\frac{7}{3} and x_1=14\\y_1=8.

y-8=-\frac{7}{3} (x-14)

This is the equation of the line perpendicular to the equation line through the points given that crosses through (14,8).


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