Answer:
y = x + 7
Step-by-step explanation:
This is a linear equation graph because the line is straight and it is going at a constant rate. You can just either add or subtract the dependent event or the y variable. So I use the linear equation y = mx + b.
Use the y2 - y1 / x2 - x1 to find the slope. The slope is basically m. You can use any coordinate for this.
I will use (2, 9) and (3,10) as the coordinates for an example.
So y2 = 10
y1 = 9
x2 = 3
x1 = 2
10 - 9 / 3 - 2 = 1/1 = 1
1 is the same thing as x.
So the slope is x.
Now in order to find b(or the whole number on the far right), you use one of the x and y coordinates.
For an example I will use (5, 12)
Now all I do is use the formula y = mx + b
y = 12
x = 5
m = 1. M is the same thing as slope.
b is what I must find out.
So I write 12 = 1(5) + b
12 = 5 + b
Then you subtract 5 from 12
and you will get 7.
12 - 5 = 7
The b or the y intercept equals 7.
So the equation for this graph is y = x + 7
Simple bro! The hard part was the explanation.
