# algebradefinitions - variables is called a parabola....

This preview shows pages 1–15. Sign up to view the full content.

Introductory Algebra Glossary Chapter Ten

This preview has intentionally blurred sections. Sign up to view the full version.

View Full Document
quadratic equation A quadratic equation is an equation that can be written in the form ax 2 + bx + c = 0, where a, b, and c are real numbers, with a 0.
discriminant The quantity under the radical in the quadratic formula, b 2 - 4ac.

This preview has intentionally blurred sections. Sign up to view the full version.

View Full Document
complex number Any number that can be written in the form a + bi, where a and b are real numbers.
imaginary number A complex number a + bi with b 0.

This preview has intentionally blurred sections. Sign up to view the full version.

View Full Document
real part The real part of a complex number a + bi is a.
imaginary part The imaginary part of the complex number a + bi is b.

This preview has intentionally blurred sections. Sign up to view the full version.

View Full Document
standard form of a complex number The standard form of a complex number is a + bi.
conjugate of a complex number The conjugate of a complex number a + bi is a - bi.

This preview has intentionally blurred sections. Sign up to view the full version.

View Full Document
parabola The graph of a second-degree (quadratic) equation in two

This preview has intentionally blurred sections. Sign up to view the full version.

View Full Document

This preview has intentionally blurred sections. Sign up to view the full version.

View Full Document
This is the end of the preview. Sign up to access the rest of the document.

Unformatted text preview: variables is called a parabola. parabola The graph of a second-degree (quadratic) equation in two variables is called a parabola. axis (axis of symmetry) The axis of a parabola is the vertical or horizontal line through the vertex of the parabola. quadratic function A function defined by an equation of the form f(x) = ax 2 + bx + c, for real numbers a, b, and c, with a 0. Return to Introductory Algebra Created by James Q. Jacobs Superstition Mountain Campus Central Arizona College This powerpoint was kindly donated to www.worldofteaching.com http://www.worldofteaching.com is home to over a thousand powerpoints submitted by teachers. This is a completely free site and requires no registration. Please visit and I hope it will help in your teaching....
View Full Document

## This note was uploaded on 01/06/2012 for the course MATHEMATIC 125 taught by Professor Brettcrow during the Fall '10 term at Boise State.

### Page1 / 15

algebradefinitions - variables is called a parabola....

This preview shows document pages 1 - 15. Sign up to view the full document.

View Full Document
Ask a homework question - tutors are online