Grade 8 sample lessons View Larger Image Try our platform for 15 days.Absolutely no commitment. You can cancel anytime if you think these videos will not help your child. Course Content Expand All Linear Equations 2 Lessons Expand Unit Content 0% Complete 0/2 Steps How to write linear equation in slope intercept format ( y = mx + b ) 16 min with practice Learn how to write linear equation when slope and intercept are known. What is the intercept of a line? ( x and y intercept of a linear graph) 12 min with practice Intercepts are nothing but where a line crosses the x and y axis.