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Leona [35]
3 years ago
8

How can graphing methods be used to solve a system of linear equations and how can you determine the equations of the two lines

by analyzing the graph?
Mathematics
1 answer:
sergejj [24]3 years ago
4 0
Making graphical representations allow you to plot points and compute for the equation of the line following available derived formula to compute linear formula given two points.

The principal equation is the point-slope formula y=mx+b
Where, m = slope or rate of how the elevation or depression between two reference points.


Say for example you have pt 1 (1,1) and pt 2(0,0)
compute first for slope where m = (y2-y1)/(x2-x1) = (0-1)/(0-1) = 1
Now using point slope formula given p1 (1,1) and slope of m=1

(y-y1)=m(x-x1)
y-1=(1)(x-1)
y=x

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Answer:

the 1st one

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Can somebody help me with these, i will mark you brainliest :)
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Read 2 more answers
My estimate was 2,808 is that a reasonable estimate and why
vova2212 [387]
<span>My estimate was 2,808 is that a reasonable estimate and why

312*9

9*2=18>>9*10=90>>9*300=2700

2700+18+90=>>2,808</span>
5 0
3 years ago
The graph of a linear equation passes through three of these points: (0, 5), (2, 2), (3, 1), and (4, -1). The point that the gra
dlinn [17]
Label the given points as follows:
A (0, 5)
B (2, 2)
C (3, 1)
D (4, -1)

The straight line has a constant slope. Therefore it should have the same value when any two of the four points are used to calculate the slope.

Try A and B:
Slope = (2 - 5)/(2 - 0) = -3/2

Try A and C:
Slope = (1 - 5)/(3 - 0) = -4/3

Try A and D.
Slope = (-1 - 5)/(4 - 0) = -3/2

Try B and D.
Slope = (-1 - 2)/(4 - 2) = -3/2

Clearly, C does not lie on the straight line.

Answer:  The point that the graph does not pass through is (3,1). 
5 0
3 years ago
Simplify<br><img src="https://tex.z-dn.net/?f=%20%7B%28%20-%201%29%7D%5E%7B10%7D%20" id="TexFormula1" title=" {( - 1)}^{10} " al
tensa zangetsu [6.8K]
The answer is one, because 1 is a absolute value so 1 x 10 is 10
4 0
3 years ago
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