# College Algebra

### How To : Graph radical functions in college algebra

From Ramanujan to calculus co-creator Gottfried Leibniz, many of the world's best and brightest mathematical minds have belonged to autodidacts. And, thanks to the Internet, it's easier than ever to follow in their footsteps (or just study for that next big test). With this tw ...more

### How To : Evaluate a telescoping series using partial fractions

Looking for a primer on how to solve a telescoping series using partial fractions? See how it's done with this free video college algebra lesson. From Ramanujan to calculus co-creator Gottfried Leibniz, many of the world's best and brightest mathematical minds have belonged to ...more

### How To : Find the equation of an ellipse given a graph

Notes College Algebra teaches you how to find the equation of an ellipse given a graph. You first want to find out the center of the ellipse, which in the video is (2, -3). The major axis is parallel to the X axis. The equation is (x - h) squared/a squared plus (y - k) squared ...more

### How To : Multiply & Divide Numbers (Basic Elementary Math)

Adding and subtracting may be the easiest of mathematical operations, but once you get it down, multiplication and division can be just as easy. That's why it's called elementary arithmetic. If it were harder, it would be called college algebra or trigonometry. But it's not— i ...more

### How To : Find the formula in an arithmetical sequence

See how to find the formula for an arithmetical sequence in college-level algebra given two terms in this free video college-level algebra lesson. From Ramanujan to calculus co-creator Gottfried Leibniz, many of the world's best and brightest mathematical minds have belonged t ...more

### How To : Use logarithms, with the basics

Lawrence Perez, from Saddleback College, and his assistant Charlie, give this intermediate-algebra lesson on logarithms, the bare basics of them. Know nothing about logarithms? Well, you've come to the right place.

### How To : Use logarithms in chemistry intermediate algebra

Lawrence Perez, from Saddleback College, and his assistant Charlie, give this intermediate-algebra two-part lesson on logarithmic applications, chemistry acids and bases. If you've never taken chemistry, well, you should probably go and take it first. Part 1 of 2 - How to Use ...more

### How To : Use scientific notation in pre-algebra

Lawrence Perez, from Saddleback College, and his assistant Charlie, give this pre-algebra two-part lesson on scientific notation. Find out what scientific notation actually is, and see how to work with it. Part 1 of 2 - How to Use scientific notation in pre-algebra. Part 2 of ...more

### How To : Convert measurements in pre-algebra

Lawrence Perez, from Saddleback College, and his assistant Charlie, give this pre-algebra two-part lesson on conversions. Need to convert inches to feet? Feet to miles? Feet to yards? Well, check out how. Part 1 of 2 - How to Convert measurements in pre-algebra. Part 2 of 2 - ...more

### How To : Use the metric system in pre-algebra

Lawrence Perez, from Saddleback College, and his assistant Charlie, give this pre-algebra lesson on the metric system. If you want to know all about that glorious metric system, well, need I say more?

### How To : Use metrix prefixes in pre-algebra

Lawrence Perez, from Saddleback College, and his assistant Charlie, give this pre-algebra lesson on metric prefixes. There's kilo, and deci, and centi, and well, you get the picture.

### How To : Do metric conversions in pre-algebra

Lawrence Perez, from Saddleback College, and his assistant Charlie, give this pre-algebra three-part lesson on metric conversions. Why can't we all use the same system of measurement, who knows? But until we see this day, you'll need to know how to do this.

### How To : Use applications of rational expressions in algebra

Lawrence Perez, from Saddleback College, and his assistant Charlie, give this beginning-algebra lesson on word problems (or applications) with equations of rational expressions. If you like math, and you like English, than what's the problem?

### How To : Add negative numbers in pre-algebra (ASL interpreted)

Lawrence Perez, from Saddleback College, and his assistant Charlie, give this pre-algebra lesson on adding negative numbers together. You'll learn the easiest way to do it, and maybe even freshen up on your subtracting skills. Don't waste your time in summer school, learn it h ...more

### How To : Find volume using rectangular solids in pre-algebra

Lawrence Perez, from Saddleback College, and his assistant Charlie, give this pre-algebra lesson on finding volume with the help of a few rectangular solids. Length times with times height is all you need to remember to get this stuff down.

### How To : Factor using the ABC method in beginning algebra

Lawrence Perez, from Saddleback College, and his assistant Charlie, give this beginning-algebra two-part lesson on factoring with the ABC method. Solve those darn quadratic equations! Part 1 of 2 - How to Factor using the ABC method in beginning algebra. Part 2 of 2 - How to ...more

### How To : Factor numbers by grouping in beginning algebra

Lawrence Perez, from Saddleback College, and his assistant Charlie, give this beginning-algebra three-part lesson on factoring numbers by grouping. This is the only math lesson where you'll learn how to cheat, so pay attention, but it's not what you think. Part 1 of 2 - How to ...more

### How To : Graph linear equations in beginning algebra

Lawrence Perez, from Saddleback College, and his assistant Charlie, give this beginning-algebra two-part lesson on graphing linear equations. This stuff is hard, yet it looks so simple, thanks to this video. Part 1 of 2 - How to Graph linear equations in beginning algebra. Pa ...more

### How To : Write the equation of a line in slope-intercept form

Lawrence Perez, from Saddleback College, and his assistant Charlie, give this beginning-algebra lesson on writing lines in slope intercept form. M is the slope, and b is the y intercept.

### How To : Add numbers on a number line in pre-algebra

Lawrence Perez, from Saddleback College, and his assistant Charlie, give this pre-algebra lesson on adding numbers on a number line. This is basic arithmetic here, so, if you want to get into algebra, start with the basics.

### How To : Subtract negative numbers in pre-algebra

Lawrence Perez, from Saddleback College, and his assistant Charlie, give this pre-algebra lesson on subtracting negative numbers. Don't get confused with those minus symbols. Learn how to manage them correctly, and with ease.

### How To : Find volume using rectangular prisms in pre-algebra

Lawrence Perez, from Saddleback College, and his assistant Charlie, give this pre-algebra lesson on finding the volume using rectangular prisms. You'll learn the formula for volume, and how to apply it. Get out your best pirate suit, and learn some math.

### How To : Work with integer exponents in beginning algebra

Lawrence Perez, from Saddleback College, and his assistant Charlie, give this beginning-algebra lesson on integer exponents. Don't get stuck in summer school, just watch and learn the math write here. Who needs a tutor, when you have the Internet? Watch these three videos. Par ...more

### How To : Find the asymptote of a rational function in algebra

From Ramanujan to calculus co-creator Gottfried Leibniz, many of the world's best and brightest mathematical minds have belonged to autodidacts. And, thanks to the Internet, it's easier than ever to follow in their footsteps. With this installment from Internet pedagogical sup ...more

### How To : Solve Equations with Fractions

In this how to you will learn how to solve equations with fractions. You could use this in college. Here is an example on how to do one of these problems If you don't understand this example, here is a website to help you. Solving Equations - Cool math Algebra Help Lessons - H ...more

### How To : 11 Android Apps You Should Be Using for Better Grades in School

Smartphones have been a hot button issue around school campuses for several years now—some schools allow them, others confiscate them on sight. But the fact of the matter is, when used correctly, a smartphone can be just as much of a learning tool as a textbook or school-issue ...more

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