Let’s learn how to write and graph interval notation. What is an Interval Notation? Interval notation is a way of writing solutions to algebraic inequalities. You may recall that inequalities are relations that compare non-equal mathematical expressions. The four inequality signs are: less than (<), greater than (>), less than or equal (≤), and greater than or equal (≥). Here …
Quadratic Formula: Equation & Examples
Let’s learn how to use the quadratic formula. Using the quadratic formula is one of the methods used in solving quadratic equations, especially when the equation cannot be solved by factoring. The quadratic formula solves any quadratic equation in the standard form: ax2+bx+c = 0, where a ≠0. So, make sure the equation you’re working on is in the …