SOLUTION: 1# question: find the equation of the line, find the slope and y-intercept, plot the points and line. 1. (5,20), (15,5) 2. (14,4), (15,2) 2# question: find the slope

Question 132721: 1# question: find the equation of the line, find the slope and y-intercept, plot the points and line.
1. (5,20), (15,5)
2. (14,4), (15,2)
2# question: find the slope and y-intercept, plot the line.
1. y= 6x + 3
2. y=2x + 10
3. y + 5 = x
_____
4
4. y-10 = x
____
-5
I heard about your site through my classmate. I appreciate if you could show me the steps all the way through.... Thanks again, Nancy A. Ignacio

Answer by elima(1433) (Show Source): You can put this solution on YOUR website!
1# question: find the equation of the line, find the slope and y-intercept, plot the points and line.
1. (5,20), (15,5)
2. (14,4), (15,2)
==============================
We first will find th slope;

Now lets find y-intercept, which in the slope-intercept form y=mx+b, the b=y-intercept;m=slope
We take either one of the points, and plug them into the equation;
, now we solve for b;

like denominators to add whole number with fraction;

So our equation will be;

-----------------------------------
(14,4), (15,2)

So our equation is;
y=-2x+32
=======================================
2# question: find the slope and y-intercept, plot the line.
1. y= 6x + 3
2. y=2x + 10
3. y + 5 = x
------------------------
1. s=6, y-intercept=3

2. s=2 y-intercept=10

-----------------------------------------------
3.
Let's first put this in slope-intercept form;
Multiply each side by 4,
y+5=4x
then subtract 5 from each side;
y=4x-5
Now graph:

4.
Let's do the same here;
multiply each side by -5;
y-10=-5x
subtract 10 from each side;
y=-5x+10

:)
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