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Tcecarenko [31]
3 years ago
14

How do I find out how to work out , y=mx+c ???

Mathematics
2 answers:
hjlf3 years ago
3 0
Y=mx+c isn't an equation to solve. It's the slope-intercept formula for graphing lines.
y and x are the variables, and m and c are the constants.
As an example, the line y=4x+2 looks like this:

zheka24 [161]3 years ago
3 0
-assuming you meant y=mx+b-

To find slope, you first pick 2 coordinates and plug them into y2-y1 divided by x2-x1. After that you can pick a coordinate and multiply by the slope you got and if necessary, add a certain number to get the y-coordinate. Then, plug your values into y=mx+b with m for slope and b for y-intercept. IF YOU ARE JUST GIVEN AN EQUATION, change the equation into slope intercept form and just answer for m being the slope and b being the y-intercept.
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7 0
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Please help me on this
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5 0
2 years ago
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4. What is the system of equations that describes the following graph?
GarryVolchara [31]

Answer:

The system of inequalities is

y

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Step-by-step explanation:

step 1

Find the equation of the dashed line with negative slope

The line passes through the points

(0,-2) and (-2,0)

Find the slope

m=(0+2)/(-2-0)=-1

Find the equation of the line in slope intercept form

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we have

m=-1\\b=-2

substitute

y=-x-2

The solution of the inequality is the shaded area below the dashed line

therefore

The equation of the inequality A is

y

step 2

Find the equation of the dashed line with positive slope

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Find the slope

m=(1-0)/(4-0)=0.25

Find the equation of the line (direct variation)

y=kx

we have

k=0.25

substitute

y=0.25x

The solution of the inequality is the shaded area above the dashed line

therefore

The equation of the inequality B is

y>0.25x

therefore

The system of inequalities is

y

y>0.25x

4 0
3 years ago
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kupik [55]
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8 0
3 years ago
*Please Help!* (Easy question) 20 POINTS
mariarad [96]
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7 0
3 years ago
Read 2 more answers
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