### Can’t see the equations properly?

Do the equations look odd with strange characters? They should be in RED and have MATH SYMBOLS. To properly display the equations on this page you need to install these FREE FONTS.Do yourself a favor, download the FREE FIREFOX browser for the PC or MAC too!

### Watch today’s homework solutions!

To watch Mr. E do 2 of today's homework problems, you must have Apple Quicktime installed on your computer. It is available for FREE for the PC or Mac here! If you have iTunes on your PC or Mac, you're all set!!### Blog Calendar

### FaveMathSites

### FaveFotos

### Past Notes

- July 2015
- April 2014
- June 2012
- May 2012
- April 2012
- March 2012
- February 2012
- January 2012
- December 2011
- November 2011
- October 2011
- September 2011
- August 2011
- May 2011
- April 2011
- March 2011
- February 2011
- January 2011
- December 2010
- November 2010
- October 2010
- September 2010
- August 2010
- June 2010
- May 2010
- April 2010
- March 2010
- February 2010
- January 2010
- December 2009
- November 2009
- October 2009
- September 2009
- August 2009
- June 2009
- May 2009
- April 2009
- March 2009
- February 2009
- January 2009
- December 2008
- November 2008
- October 2008
- September 2008
- August 2008
- June 2008
- May 2008
- April 2008
- March 2008
- February 2008
- January 2008
- December 2007
- November 2007
- October 2007
- September 2007
- August 2007
- June 2007
- May 2007
- April 2007
- March 2007
- February 2007
- January 2007
- December 2006
- November 2006
- October 2006
- September 2006
- August 2006

# Monthly Archives: April 2009

## Day 153 – April 30

Chapter 10 and 13 Practice Review A general review packet of both chapters 10 and 13. Use the textbook to refresh your mind!

Posted in Algebra 1
Leave a comment

## Day 152 – April 29

Algebra: Chapter 13, Lesson 7, page 602. Using Quadratic Equations Word problems need to be thought out before starting. Draw pictures and understand what information you know and what you need to find out. With DRT problems, you may need … Continue reading

Posted in Algebra 1
Leave a comment

## Day 151 – April 28

Algebra: Chapter 13, Lesson 6, page 598. Solving Radical Equations We can solve radical equations by first using the principle of squaring to find the quadratic equation. Remember, squaring a square root results in the stuff under the radical being … Continue reading

Posted in Algebra 1
Leave a comment

## Day 150 – April 27

Algebra: Chapter 13, Lesson 5, page 595. Solving Rational Equations Remember, we solve rational equations by multiplying both sides by the LCM of all the denominators. This can result in a quadratic equation. Sometimes, there can be extraneous solutions, so … Continue reading

Posted in Algebra 1
Leave a comment

## Day 149 – April 24

Algebra: Chapter 13, Lesson 4, page 589. The Quadratic Formula, finally! Given that `ax^2 + bx + c = 0`, then the quadratic formula `x = (−b±sqrt(b^2−4ac))/(2a)` gives the solutions of the quadratic equation. This requires that the quadratic equation … Continue reading

Posted in Algebra 1, Algebra 1a
Leave a comment

## Day 148 – April 23

Algebra: Chapter 13, Lesson 3, page 586. Solving quadratics by completing the squares We can use the technique of completing the square to solve quadratic equations. Recall that the addition property allows us to add a number to both sides … Continue reading

Posted in Algebra 1
Leave a comment

## Day 147 – April 22

Algebra: Chapter 13, Lesson 2, page 580. More Solving Quadratic Equations Solve a quadratic equation of the form `ax^2 = k` Example: `-3x^2 + 7 = 0` becomes … `-3x^2 = -7` or `x^2=7/3` then `x = ±sqrt(7/3)`, don’t forget … Continue reading

Posted in Algebra 1
Leave a comment

## Day 146 – April 21

Algebra: Chapter 13, Lesson 1, page 576. Introduction to Quadratic Equations An equation that can be written in the form of `ax^2 + bx + c = 0` is a quadratic equation. This is the “standard form”. The solutions of … Continue reading

Posted in Algebra 1, World Peace
Leave a comment

## Day 145 – April 20

Algebra: Chapter 12, Lesson 4, page 552. Quadratic Functions A quadratic function is defined by `f(x) = ax^2 + bx + c`. To make it easier, just replace the `f(x)` with `y` and treat as you have done in the … Continue reading

Posted in Algebra 1
Leave a comment

## Day 144 – April 17

Algebra: Chapter 12, Lesson 1 and Lesson 2, page 536 and 542. Relations and Functions and Graphs A relation is a set or ordered pairs. The domain of a relation is the set of first coordinates (the x’s). The range … Continue reading

Posted in Algebra 1
Leave a comment