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stich3 [128]
3 years ago
6

Through (1,3) perpendicular to 3x+2y=5

Mathematics
1 answer:
Elenna [48]3 years ago
4 0

Answer:

The equation of line passing through points (1 , 3) and perpendicular to given line is  y = \dfrac{2}{3} x + \dfrac{7}{3}

Step-by-step explanation:

Given as :

The equation of line is 3 x + 2 y = 5

Or , 2 y = - 3 x + 5

Or , y = \dfrac{-3}{2} x + \dfrac{5}{2}

Another line is passing through point (1 , 3) and perpendicular to given line equation

Now, <u>From standard line equation</u>

i.e y = m x + c

where m is the slope of the line and c is the y-intercept

Now, comparing the given line equation with standard line equation

i.e y = \dfrac{-3}{2} x + \dfrac{5}{2}

So, The slope of line = m =  \dfrac{-3}{2}

According to question

Another line is perpendicular to the given line

So, for perpendicular property, The product of the lines = - 1

Let the sloe of another line = M

So, m × M = - 1

∴ M = \dfrac{-1}{m}

Or. M = \frac{-1}{\frac{-3}{2}}

I.e M = \dfrac{2}{3}

So, the slope of another line = M = \dfrac{2}{3}

Now, equation of line passing through slope M and point (1 , 3)

I.e equation of line in slope-points

So, y - y_1 = m ( x - x_1 )

or, y - 3 = ( \dfrac{2}{3}) × ( x - 1 )

Or, 3 × (y - 3) = 2 × (x - 1)

Or, 3 y - 9 = 2 x - 2

Or, 3 y = 2 x - 2 + 9

Or, 3 y = 2 x + 7

∴ y = \dfrac{2}{3} x + \dfrac{7}{3}

So, The equation = y = \dfrac{2}{3} x + \dfrac{7}{3}

Hence, The equation of line passing through points (1 , 3) and perpendicular to given line is  y = \dfrac{2}{3} x + \dfrac{7}{3}  Answer

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