concept1 how to graph a line: Ali Sakr
using x and y intercepts x\o y\ \o
y=mx+b
drawing table:
How to write the equation of the line :Yassin emara
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identify y-intercept and rise/run method to graph.
taking values from -3 to 3 then substitute in to the equation and plot points
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Concept 2: How to find the slope on the line: Mohamed El Amoudy
Rise/Run
Slope formula
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Description: First, identify two points, then stand on one of the points and count the number of squares by which the direction is going (Whether the direction is up, down, left, and right) to the other point, then connect them. Example: 
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If the line is drawn identifi it y-intercept and the slope , if using it formula y=mx+c to find the line
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First Identify the two points, then using the slope formula ( Y2-Y1 ) / (X2 - X1) to find the slope
If given two parts we find the slope formula y2-y1 x2-x1 to find the slope and it using one of the given points to find B
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If given an equation, we can rearrange the equation, and put it in the form, Y=Mx+B, then the slope is now M.
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concept 3: how to use y=mx+b by: abdallah ahmed
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description:
rearrange to identify x the subject of the equation and then simplify the answer and put it in the form of y=mx+b
example:
example