Learn about the symmetric equation of a line and to rewrite the equation of a line into this form.
You may also like
Learn how to find the slope of a line perpendicular to a given line. Practice finding the equation of a line perpendicular to a given line.
When we are faced with a quadratic that is not “nice” to factor we need to find a way to factor it. This is where the quadratic formula comes in. The discriminant is a value that can be calculated for each quadratic equation. Depending on the value of the discriminant, we can determine if the quadratic equation has a solution, or has factors, or not.
The distance between a point and line is given by the shortest distance which is the perpendicular distance between the two. Learn more about what this is and how to find this distance.
What are first differences? When given a function or a table of values representing a function, looking at the first difference can help you determine what kind of relationships there is between the variables and hence what function the points represent.