How To Do Linear Equations?

Answer 1

Linear equations (sometimes called Linear Functions) are done using the general form y = mx + b

y represents your y-axis value at a certain point

m represents the slope of your line (how steep or how gentle it is)

x represents the x-axis value at the same point as y

b represents the y-axis intercept (where your line crosses the y-axis

Given the example y=3x + 1:

the m (slope) in this case is 3

the b (y-intercept) is +1

x and y will change for each point on this line. Since our 'b' is 1, we know that the point (0,1) is on our line. So, it can be said that

1 = 3(0) + 1 instead of y = mx + b

Working this out, we have 1=1 (which is true).