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devlian [24]
3 years ago
14

Write an equation in slope-intercept form for the line that passes through (0, –2) and is perpendicular to the graph of y = −¼ x

+ 3
Mathematics
1 answer:
jarptica [38.1K]3 years ago
8 0

Given:

A line passes through the point (0,2) and is perpendicular to the graph of y=-\dfrac{1}{4}x+3.

To find:

The slope intercept form of the given line.

Solution:

Slope intercept form of a line is

y=mx+b

Where, m is slope and b is y-intercept.

We have,

y=-\dfrac{1}{4}x+3

Here, the slope of the line is -\dfrac{1}{4}.

The product of slopes of two perpendicular lines is -1.

-\dfrac{1}{4}\times m=-1

m=4

The slope of the required line is m=4 and it passes through the point (0,2). So, the equation of the required line is

y-y_1=m(x-x_1)

y-2=4(x-0)

y-2=4x

y=4x+2

Therefore, the equation of the required line is y=4x+2.

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