How Do You Find the Zeros of a Quadratic Function on a Graph?

How Do You Find the Zeros of a Quadratic Function on a Graph?

Note:

The zeros of a quadratic equation are the points where the graph of the quadratic equation crosses the x-axis. In this tutorial, you'll see how to use the graph of a quadratic equation to find the zeros of the equation. Take a look!

Keywords:

  • problem
  • skill
  • finding zeros
  • graph
  • graphing
  • graphically
  • quadratic function
  • quadratic

Background Tutorials

  • X- and Y-Intercepts

      • What's the X-Intercept?What's the X-Intercept?

      What's the X-Intercept?

      When you have a linear equation, the x-intercept is the point where the graph of the line crosses the x-axis. In this tutorial, learn about the x-intercept. Check it out!

  • Quadratic Functions

      • What is a Parabola?What is a Parabola?

      What is a Parabola?

      If you graph a linear function, you get a line. If you graph a quadratic function, you get something called a parabola. A parabola tends to look like a smile or a frown, depending on the function. Check out this tutorial and learn about parabolas!

  • Identifying Linear Equations

      • What's the Zero of a Function?What's the Zero of a Function?

      What's the Zero of a Function?

      The zero of a function is the x-value that makes the function equal to 0. In this tutorial, you'll learn about the zero of a function and see how to find it in an example. Take a look!

Further Exploration