What is the equation of a straight line?
y = mx + c
What is the equation of a quadratic curve?
y = ax^2 + bx + c
What letter usually represents the gradient?
m
What letter usually represents the y-intercept?
c
How do you find the values where the line crosses the x-axis?
make y = 0
How do you find the values where the line crosses the y-axis?
make x=0