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KiRa [710]
3 years ago
8

What is the point-slope form and standard form of (3,1) and (4, 2)?

Mathematics
1 answer:
Brrunno [24]3 years ago
5 0

The point-slope form and standard form of (3,1) and (4, 2) are y – 1 = x – 3 and x – y = 2 respectively

<u>Solution:</u>

Given, two points are (3, 1) and (4, 2)

We have to find that a line that passes through the given two points.

First let us find the slope of the line that passes through given two points.

<em><u>Slope of line "m" is given as:</u></em>

\mathrm{m}=\frac{y_{2}-y_{1}}{x_{2}-x_{1}}

\text { where, }\left(x_{1}, y_{1}\right) \text { and }\left(x_{2}, y_{2}\right) \text { are two points on line. }

\text { Here } x_{1}=3 \text { and } y_{1}=1 \text { and } x_{2}=4 \text { and } y_{2}=2

\mathrm{m}=\frac{2-1}{4-3}=\frac{1}{1}=1

<em><u>The point slope form is given as:</u></em>

y-y_{1}=m\left(x-x_{1}\right)

\text { where } m \text { is slope and }(x_1, y_1) \text { is point on the line. }

y – 1 = 1(x – 3)  

y - 1 = x - 3  

Line equation in point slope form is y – 1 = x – 3  -- eqn 1

Now, line equation in standard form i.e. ax + by = c is  found out by eqn 1

y – 1 = x – 3  

x – y = 3 – 1  

x – y = 2

Hence, the line equation in point slope form and standard forms are y – 1 = x – 3 and x – y = 2 respectively

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Step-by-step explanation:

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3 years ago
If PN=29cm and MN=13 , then PM=?
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*see attachment for the figure referred to

Answer/Step-by-step explanation:

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29 - 13 = PM (substitute)

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3. PM = 19, MN = 23, PN = ?

PN = PM + MN (Segment addition postulate)

PN = 19 + 23 (substitute)

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PN = PM + MN (segment addition postulate)

PN - MN = PM (subtract MN from each side)

105 - 82 = PM (substitute)

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5. PM = 100, MN = 100, PN = ?

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Step-by-step explanation:

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