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Dmitrij [34]
3 years ago
14

Which equation in point-slope form contains the point (4, –1) and has slope 3?

Mathematics
1 answer:
Andrew [12]3 years ago
4 0

Answer:

y+1=3(x-4)

Step-by-step explanation:

Hi there!

We are given a slope of 3 and a point (4,-1).

We need to find the equation of the line in point-slope form

Point-slope form is given as y-y1=m(x-x1), where m is the slope, and (x1,y1) is a point

We have all of the needed information to substitute into the formula

First, let's label the values of everything to avoid any confusion

m=3

x1=4

y1=-1

now substitute into the formula *remember, the formula has SUBTRACTION, and we have a NEGATIVE number, so we'll end up subtracting a negative*

y--1=3(x-4)

simplify

y+1=3(x-4)

That's it!

Hope this helps :)

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What is the point slope equation of the line with slope -12 that goes through the points (5, 3)?
Amanda [17]
The point-slope form of ay line is:

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In this case we are given that m=-12 and (x1,y1) is (5,3) so

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3 years ago
Read 2 more answers
Find the equation of the line parallel to the graph of 4x-5y=-1 that contains the point (1,3)
rewona [7]

Answer:

To find the equation of the line parallel to the graph, first of all find the slope of the graph by making y the subject of the formula and comparing the resulting equation with y = mx + c , knowing fully well that m stands for the slope.

So, from the equation of the graph give, y = 4x/5 +1/5, therefore the slope is 4/5. For a line to be parallel to the graph then they must have the same slope, to find the equation of the line at the given point, then we use the formula

y - y1 = m ( x - x1 )

y - 3  = 4/5 ( x - 1 )

multiply through by 5

5( y - 3 ) = 4 ( x - 1)

5y - 15 = 4x - 4

 5y - 4x = - 4 + 15

so,  5y - 4x = 11 is the equation

Step-by-step explanation:

4 0
2 years ago
What is the Y-intercept of (y-3)=1/3(x+4)
Debora [2.8K]

Answer: 0,13/3

Step-by-step explanation: Hope this helps - Lily ^_^

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3 years ago
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