SOLUTION: Plot the points and determine their slope. Graph the line 1.(2,3);(4,0) 2. (-2,3);(2,1) (-1,2);(-1,-2)

Question 1123753: Plot the points and determine their slope. Graph the line
1.(2,3);(4,0)
2. (-2,3);(2,1)
(-1,2);(-1,-2)
Answer by MathLover1(20849) (Show Source): You can put this solution on YOUR website!
Plot the points and determine their slope. Graph the line

1.(,);(,)
Plot the points:

determine their slope:

so far, the equation of a line is :
since is y-intercept, using given point (,) and calculate

so, you have

graph:

2.
(,);(,)

determine their slope:

so far, the equation of a line is :
plug in (,)

your line is:

3.
(,);(,)

determine their slope:

Since you CANNOT divide by , this means that the of the line is . The slope of a line is undefined.

in both of your given points is and are different

so, your line is vertical line : is always and can be anything

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