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Arada [10]
3 years ago
11

Can anyone help? I really need it

Mathematics
1 answer:
ElenaW [278]3 years ago
4 0

Answer:

Step-by-step explanation:

Both equations should be in slop-intercept form (y=mx+b)

So add -2x to -6. Your equation should look like this

y=2x-6

In y=mx+b

b will fall on y-axis

mx is rise/run

So in the first equation plot -6 on y axis and go up 2 and over 1(because 2x is equivalent to 2/1 x)

In the second equation plot -1 on the y axis. Then go up 1 and over 3 from that point.

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<span><span><span>1. An altitude of a triangle is a line segment from a vertex perpendicular to the opposite side. Find the equations of the altitudes of the triangle with vertices (4, 5),(-4, 1) and (2, -5). Do this by solving a system of two of two of the altitude equations and showing that the intersection point also belongs to the third line. </span>
(Scroll Down for Answer!)</span><span>Answer by </span>jim_thompson5910(34047)   (Show Source):You can put this solution on YOUR website!
<span>If we plot the points and connect them, we get this triangle: 

 

Let point 
A=(xA,yA)
B=(xB,yB)
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------------------------------- 
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So to find the equation of the line that is perpendicular to  that goes through the point C(2,-5), simply negate and invert the slope  to get 

Now plug the slope and the point (2,-5) into  


 

 Solve for y and simplify 

So the altitude for vertex C is  



Now to find the equation of the line that is perpendicular to  that goes through the point A(4,5), simply negate and invert the slope to get  

Now plug the slope and the point (2,-5) into  


 

 Solve for y and simplify 

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 Solve for y and simplify 

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------------------------------------------------------------ 
Now let's solve the system 


 

 Plug in  into the first equation 

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3 0
3 years ago
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3 0
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