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Aliun [14]
3 years ago
15

PLEASE HELP!! URGENT!!!! UNIT TEST!!!!

Mathematics
2 answers:
slavikrds [6]3 years ago
7 0

ANSWER

y=-\frac{4}{3}x+\frac{16}{3}


Or

3y+4x=16


EXPLANATION


Let us find the gradient of the line:

-3x+4y=4 by rewriting it in the slope intercept form.


\Rightarrow 4y=3x+4


We divide through by 4 now;


\Rightarrow y=\frac{3}{4}x+1


This is now in the form;

y=mx+c

where

m=\frac{3}{4} is he slope.


This implies that the slope of the line that is perpendicular to this line will be the negative reciprocal of m=\frac{3}{4} .


Thus the perpendicular line has slope,

m=\frac{-1}{\frac{3}{4}}= -\frac{4}{3}.


Let the perpendicular line have equation,


y=mx+c

When we substitute the slope we have;


y=-\frac{4}{3}x+c

We substitute the point. (4,0) to find c.


0=-\frac{4}{3}(4)+c


0=-\frac{16}{3}+c


\frac{16}{3}=c

We substitute c to obtain;


y=-\frac{4}{3}x+\frac{16}{3}


Or

3y+4x=16

quester [9]3 years ago
6 0

<u>Answer:</u>

y = -4/3x + 16/3 or 4x + 3y = 16

<u>Step-by-step explanation:</u>

We know that the standard form of equation for a line is:

y = mx +c where m is the slope of the line and c is the y-intercept.

So writing the given equation in the standard form:

y = \frac{3}{4} x+1

According to this equation, the slops (m) is 3/4. So the slope of line perpendicular to this would be negative reciprocal of 3 i.e. -4/3.

Putting the value of the slope and the given point to find the y-intercept:

y=mx+c

0= -\frac{4}{3} (4)+c

c = \frac{16}{3}

Therefore, the equation of line perpendicular to -3x + 4y = 4 which passes through the point (4,0) is y = \frac{-4}{3}x+ \frac{16}{3} or 4x + 3y = 16.

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