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Lemur [1.5K]
3 years ago
13

What I the slope of a line that is perpendicular to the line 2y-3x=8

Mathematics
1 answer:
Zolol [24]3 years ago
6 0

<u>ANSWER</u>

-  \frac{2}{3}

<u>EXPLANATION</u>

The given given equation is

2y - 3x = 8

We need to rewrite this equation in the slope-intercept form:

y = mx + b

We add 3x to both sides.

2y  - 3x + 3x=8  + 3x

\implies \: 2y  =  3x + 8

We divide through by 2 to get,

y =  \frac{3}{2}x + 4

The slope of this line is

m =  \frac{3}{2}

Let the slope of the line perpendicular to this line be 'n' .

Then the product of the slopes of two perpendicular lines is always negative 1.

m \times n =  - 1

\implies \:  \frac{3}{2} n =  - 1

\implies \:   \frac{2}{3}   \times \frac{3}{2}n =  - 1 \times  \frac{2}{3}

n =  -  \frac{2}{3}

Therefore the slope of the new line is

-  \frac{2}{3}

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