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Nataliya [291]
3 years ago
13

What is the equation of the line perpendicular to the line y=4/9x-2 that passes through the point (4,3)?

Mathematics
2 answers:
wariber [46]3 years ago
5 0

Answer:

The equation of line is y=-\frac{9}{4}x+12

Step-by-step explanation:

We have been given the equation of line as y=\frac{4}{9}x-2

Comparing this equation with the slope intercept form of a line y = mx+b , we get

m=\frac{4}{9}\\\\ b=-2

We know that the slopes of two perpendicular lines are negative reciprocal of each other.

Therefore, the slope of the required line is

m=-\frac{1}{4/9} =-\frac{9}{4}

Now, this line passes through the point (4,3)

Hence, using the point slope form of the line, the required equation is

y-y_1=m(x-x_1)\\\\y-3=-\frac{9}{4} (x-4)\\\\y=-\frac{9}{4}x+12

Therefore, the equation of line is

y=-\frac{9}{4}x+12

dalvyx [7]3 years ago
4 0
Y - y₁ = m(x - x₁)
 y - 3 = -2¹/₄(x - 4)
 y - 3 = -2¹/₄(x) + 2¹/₄(4)
 y - 3 = -2¹/₄x - 9
   + 3            + 3
       y = -2¹/₄x - 6
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