#7.02a
Find and interpret the gradient and intercept of straight lines, graphically and using \(y = mx+c\).
Use the form \(y = mx+c\) to find and sketch equations of straight lines.
Find the equation of a line through two given points, or through one point with a given gradient.
Identify the solution sets of linear inequalities in two variables, using the convention of dashed and solid lines.
#7.02b
Identify and find equations of parallel lines.
Identify and find equations of perpendicular lines.
Calculate the equation of a tangent to a circle at a given point.
[See also Equations of circles, 7.01f]