Home > PCT > Chapter Ch1 > Lesson 1.2.1 > Problem 1-72
1-72.
Solve the following equations.
What kind of equation is this?
It is linear. Distribute and solve for
.
What kind of equation is this?
This is a quadratic equation.
What are three techniques for solving for x?
1. Factor and use the Zero Product Property.
2. Use the Quadratic Formula.
3. Graph and find the x-intercepts.
Set the equation equal to 0. Then factor and use the Zero Product Property.
Move all of the variables to the left side and factor out an x first. Then factor the remaining trinomial.