Friday, November 6, 2015

graphing five solutions of y=5x-6graphing five solutions

You can not find 5 solutions for a linear
function.


The only solution is as
follows:


y= 5x-6 =
0


==> 5x = 6


==>
x= 6/5


Then the only solution is x=
6/5


However, you can find five points on the graph of y=
5x-6


To do so, we will choose any value of x and substitute
into the equation.


For
example:


If x= 1 ==> y= 5(1)-6 = 5-6 = -1 ==>
Then we have the point (1, -1) is on the graph of y.


Let x=
0 ==> y= 5*0 - 6 = -6


==> Then we have the
point (0, -6) is on the graph of y.


Also, x=-1 ==>
y= 5*-1 - 6= -5-6 = -11==> (-1, -11)


==> x= 2
==> y= 5*2-6= 10-6= 4 ==> (2, 4)


==>
x= 3 ==> y= 5*3-6 = 15-6 = 9 ==> (3,
9)


Then the 5 points on the graph
are:


(0, -6) , (1, -1) , (-1,
-11) , (2, 4) , and (3, 9)

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