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OpenStudy (volleyballlover55):
TheSmartOne (thesmartone):
Hint: The slope of any two points on a given line will be the same. Also to find the slope:
\(\sf\Large Slope = \frac{\color{blue}{y_2}-\color{red}{y_1}}{\color{green}{x_2}-\color{purple}{x_1}}\)
Where the two points are in the form:
\(\sf\Large (\color{purple}{x_1},\color{red}{y_1})~and~(\color{green}{x_2},\color{blue}{y_2})\)
OpenStudy (volleyballlover55):
im not sure about this one...
OpenStudy (freckles):
choose any 2 points on the line
doesn't matter which
can you tell me just two points on that line?
OpenStudy (welshfella):
Do you see that the line goes the the point (0,0) ? That is the point where the x and y axes intersect.
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OpenStudy (volleyballlover55):
yes...
OpenStudy (welshfella):
Ok Now look at the top right. Where y = 4 what is the corresponding value of x?
|dw:1469559204106:dw|
OpenStudy (welshfella):
|dw:1469559285194:dw|
OpenStudy (welshfella):
the coordinates of the point P will be (x , 4)
The value of x is where the arrow points to.
OpenStudy (volleyballlover55):
ok...
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OpenStudy (welshfella):
what is that value ?
OpenStudy (volleyballlover55):
um, 4?
OpenStudy (welshfella):
No the 4 is on the vertical axis . The x values are on the horizontal x axis