Answered

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Im trying to plot a slope function on a graph y=2x+3

Sagot :

1) To plot a linear equation, like y=2x +3 let's visualize the graph

2) Set this function as an equation, to find the root of that function the x coordinate

y= 2x +3 Turn this to an equation

2x +3 =0 Subtract 3 from both sides

2x +3 -3 = -3

2x+0=-3 Divide both sides by 2

x=-3/2 -3/2 = -1.5

Looking at the function, we can see that the slope m=2, m>0, and the y-intercept is 3

Now we can set a table, where we can choose any value for x and then plug it into the function

x = 0 , y = 2(0) +3 y= 3

x= 1, y = 2(1) +3 y= 5

x=-1.5 y = 2(-1.5) +3 y=0

x | y

0 3

1 5

-1.5 0

At least 3 points already determine a line

Our graph must be like this:

View image NoaahD398423
View image NoaahD398423
View image NoaahD398423
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