A walking path across a park is represented by the equation y=-4x+10 .A new path will be built perpendicular to this path .The paths will intersect at the point (4,-6) identify the equation represents the new path

Respuesta :

The equation that represents the new path is: [tex]y = \frac{1}{4}x-7[/tex]

Step-by-step explanation:

Given path is:

[tex]y=-4x+10[/tex]

We have to find the equation of a path that will be perpendicular to given path and will pass through point (4,-6)

So first of all we have to find the slope of given line

As the equation of path is in slope-intercept form, the coefficient of x will be the slope of the path

so

m = -4

As the product of slopes of two perpendicular lines is -1

Let m1 be the slope of required line

[tex]m.m_1 = -1\\-4 . m_1 = -1\\m_1 = \frac{-1}{-4}\\m_1 = \frac{1}{4}[/tex]

The slope-intercept form is:

[tex]y=m_1x+b[/tex]

Putting the value of m1

[tex]y = \frac{1}{4}x+b[/tex]

Putting the point (4,-6) in the equation

[tex]-6 = \frac{1}{4}(4) +b\\-6 = 1+b\\b = -6-1\\b = -7[/tex]

Putting the value of b

[tex]y = \frac{1}{4}x-7[/tex]

So,

The equation that represents the new path is: [tex]y = \frac{1}{4}x-7[/tex]

Keywords: Equation of line, slope

Learn more about equation of line at:

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