Online College Courses for Credit

Finding Zeros of quadratic functions by factoring

Finding Zeros of quadratic functions by factoring

Author: Sharanjit Gill

Algebra-Seeing Structure in Expressions (A-SSE)

Write expressions in equivalent forms to solve problems. [Quadratic] 3. Choose and produce an equivalent form of an expression to reveal and explain properties of the quantity represented by the expression. a. Factor a quadratic expression to reveal the zeros of the function it defines. 

This tutorial is intended for students in 8th grade Algebra 1 class. However this could also help students in 7 grade or 9 grade algebra class. 

See More

Try Our College Algebra Course. For FREE.

Sophia’s self-paced online courses are a great way to save time and money as you earn credits eligible for transfer to many different colleges and universities.*

Begin Free Trial
No credit card required

29 Sophia partners guarantee credit transfer.

311 Institutions have accepted or given pre-approval for credit transfer.

* The American Council on Education's College Credit Recommendation Service (ACE Credit®) has evaluated and recommended college credit for 27 of Sophia’s online courses. Many different colleges and universities consider ACE CREDIT recommendations in determining the applicability to their course and degree programs.


"Big Question"

While doing the research/looking through different resources keep in mind what is the main Idea. Once you are done looking at different sources within this tutorial answer the following question on your notebook. 

Explain in words what is the main focus of this tutorial and then show it by doing an example?


Source: Sharanjit Gill

What are zeros ?

This explain differences and similarities between zeros and x-intercetps.

Solving quadratic equations by factoring

Basic factoring of quadratic equations (trinomials) simple case.

Factoring quadratics

Here learn how to factor quadratic equations/expressions

There are 4 pages on the link above on factoring quadratic equations and they get more complex as you move through pages.

Finding Zeros by factoring

This PowerPoint have explanations, examples and more videos.

Source: Sharanjit Gill and other sources cited within the PowerPoint.

Podcast on finding zeros by factoring

This podcast has explanations and step by step answer to some examples.

Source: Sharanjit Gill

More on finding zeros (Glogster)

Source: Sharanjit Gill and other sources cited within the glogster