There is more than one way to write the equation of a line in the Cartesian plane. Learn the different ways. Practice writing the equation of a line in different ways.
curriculum: Grade 9
35 posts
What is interpolation and extrapolation of points on a line? Learn how to interpolate and extrapolate points on a line.
Learn what collinear points are. Practice finding and determining if sets of points are indeed collinear.
Learn what the x-intercept of a function is. Practice locating the x-intercept.
Two lines on the Cartesian plane are either parallel or intersecting. If lines are intersecting, we want to find where they cross or their point of intersection.
Solving linear relationships involves determining what the value of the variable is. I will usually tell students the first step is to move everything with a variable on one side of the equal sign and all the numbers to the other side of the equal sign.
Learn what a linear relation is and how to distinguish a linear relationships from another relationship.