Algebra - Straight-line graphs

What are the 4 steps for calculating the equation of a straight line on a graph?

-Calculate the gradient of the line -Substitute your value for m (the gradient) into the equation -Pick one point along the line and put the values for the x and y into the equation -Solve your equation to find the value of c

How do you calculate the gradient of a straight line on a graph?

How much the line goes up divided by how much the line goes across

What is m in an equation for a straight line on a graph?

The gradient (How steep the line is)

What is c in an equation for a straight line on a graph?

The y-intercept (Where the line crosses the y-axis)

In an equation for a straight line on a graph, what two letters represent numbers?

m and c

What is the equation for a straight line on a graph?

y = m𝒙 + c