Math Forum - Problems Library - Algebra, Quadratics: Quadratic Formula

_____________________________________
diamond Library of Math Forum Problems

Primary Math Fundamentals Pre-Algebra
Algebra Geometry Discrete Math Trig/Calculus
_____________________________________
(membership required) || Become a Member || Learn about Membership
_____________________________________

TOPICS
space

This page:
quadratic equations
factoring
completing the square
quadratic formula

About Levels
of Difficulty

Algebra
integers
use of variables
one variable equations
functions & relations
linear equations
linear data
linear systems
linear inequalities
exponents & radicals
polynomials
rational equations
quadratics
exponential functions

Browse all
Algebra
Problems

Algebra
Home

About the
PoW Library

The Quadratic Formula
These problems involve quadratic equations which are not factorable and can be solved by use of the quadratic formula, although some students may choose to complete the square.

Related Resources
Interactive resources from our Math Tools project:
   Algebra: Quadratic Equations
The closest match in our Ask Dr. Math archives:
   Quadratic Equations
NCTM Standards:
   Algebra Standard for Grades 9-12

Access to these problems requires a Membership.

All Wet - Linda Benton
Algebra, difficulty level 3. Solve simultaneous equations, find area, and use the Pythagorean theorem and percentages to find the spraying distance needed for a circular sprinkler in a rectangular yard. ... more>>

The Continued Fraction - Ethel Breuche
Algebra, difficulty level 4. Find the value of a given continued fraction. ... more>>

An Expanding Circle - Steve Risberg
Algebra, difficulty level 2. When the radius of a circle increases by 6 inches, the area increases by 125%. Find the original radius. ... more>>

The Length of Larry's Rectangle - Larry Sue
Algebra, difficulty level 2. Larry wants to know the length of his rectangle. Can you help him? ... more>>

Poolish Pride? - Steve Risberg
Algebra, difficulty level 3. Two competitive brothers build rectangular pools of similar shape but different size. Given some information relating the lengths and widths, find the area of the larger pool. ... more>>

Reciprocals - Steve Risberg
Algebra, difficulty level 3. Explore the numeric difference between numbers and their reciprocals. ... more>>

Throw It Down! - Steve Risberg
Algebra, difficulty level 3. Kelvin leaps high to dunk a basketball. How long are his hands high enough above the rim for him to dunk? ... more>>

Page:  1


[Privacy Policy] [Terms of Use]

_____________________________________
Home || The Math Library || Quick Reference || Search || Help 
_____________________________________

© 1994-2012 Drexel University. All rights reserved.
http://mathforum.org/
The Math Forum is a research and educational enterprise of the Drexel University School of Education.The Math Forum is a research and educational enterprise of the Drexel University School of Education.