This line is given to us in standard form,
![Ax+By=C](https://tex.z-dn.net/?f=Ax%2BBy%3DC)
, but it's easiest to see the slope when we convert to slope-intercept form
![y=mx+b](https://tex.z-dn.net/?f=y%3Dmx%2Bb)
, where m is the slope.
We are going to solve for y.
![5x+y=15\\5x-5x+y=-5x+15\\y=-5x+15\\m=-5](https://tex.z-dn.net/?f=5x%2By%3D15%5C%5C5x-5x%2By%3D-5x%2B15%5C%5Cy%3D-5x%2B15%5C%5Cm%3D-5)
The slope is the coefficient of the x-term, –5.
To find x-intercept substitute 0 for y and solve for x
-6x + 3(0) = -7
Simplify
-6x=-7
Divide each side by -6
-6x ÷ -6 = -7 ÷ -6
x = 7/6
X = 7/6 is your x intercept
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To find y-intercept substitute 0 for x and solve for y
-6(0)+3y=-7
Simplify
3y=-7
Divide each side by 3
3y ÷ 3 = -7 ÷ 3
y = -7/3
Y = -7/3 is your y-intercept
Answer:
1.Line III is A, Line I is B, Line II is C; 2. 20 represents the Y-intercept, The 2 represents the slope
Answer:
those are really simple you see how many times the smaller shape was muliplied to get the numbers to match up on the bigger shape then you muliply the same side of x (that you know a number for) by the number its multiplying by ti get <em>x</em>
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