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dezoksy [38]
3 years ago
10

A given line has the equation 2x+12y=-1.

Mathematics
2 answers:
PolarNik [594]3 years ago
4 0
<span>2x+12y=-1
</span>y = -1x/6 -1/12

Perpendicular lines<span> are </span>lines<span> that cross one another at a 90° angle. They have slopes that are opposite reciprocals of one another. Therefore, the slope of the perpendicular line in this problem is the opposite reciprocal of -1/6 which is 6. The equation would be 

</span><span>y=(6)x+9</span>
Vedmedyk [2.9K]3 years ago
3 0

Answer:

y = 6x+9

Step-by-step explanation:

Point slope form:

The equation of line passes through the point (x_1, y_1) is given by:

y-y_1=m'(x-x_1)                 ....[1]

where, m' is the slope

As per the statement:

A given line has the equation

2x+12y=-1

Subtract 2x from both sides we have;

12y =-2x-1

Divide both sides by 12 we have;

y = -\frac{1}{6}x-\frac{1}{12}

On comparing with slope intercept form equation y=mx+b we get;

m= -\frac{1}{6}

We have to find the equation in slope intercept form, of the line that is perpendicular to the given line and passes through the point (0,9)

Since, a line is perpendicular to a given line.

⇒ m \times m' =-1

⇒m'= \frac{-1}{m}

⇒m' = \frac{-1}{\frac{-1}{6}}

Simplify:

m' = 6

Substitute the value of m' and (0, 9) in [1] we have;

y-9 =6(x-0)

⇒y-9 = 6x

Add 9 to both sides we have;

y = 6x+9

Therefore, the equation in slope intercept form, of the line that is perpendicular to the given line and passes through the point (0,9) is, y = 6x+9

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