See how to tell whether a set of lines are perpendicular to one another given their equations with this free video math lesson. From Ramanujan to calculus cocreator 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 finish your homework or study for that next big test). With this installment from Internet pedagogical superstar Salman Khan's series of free math tutorials, you'll learn how to determine whether a pair of lines are perpendicular given their equations.
 Hot
 Latest

How To: Remember "greater than" & "less than" symbols

How To: Calculate Faster Than a Calculator

How To: Use ">" (greater than) and "<" (less than) symbols

How To: Find the Percent Given Two Numbers

How To: Do long division without a calculator

How To: Find Leg Lengths and Hypotenuse of a 45 45 90 Triangle

How To: Calculate percent composition for chemistry

How To: Find the Slope Given 2 Ordered Pairs

How To: Derive the equation of a straight line

How To: Solve inequalities with fractions in algebra

How To: Divide small numbers by big numbers

How To: Convert Fahrenheit to Celsius with a formula

How To: Calculate the area of a parallelogram

How To: Find the slope of a line given 2 points with fractions

How To: Solve an equation with fractional powers

How To: Solve for the missing ratios or proportions

How To: Prove a triangle inscribed in a circle is right angled

How To: Calculate probability in "at least one" problems

How To: Simplify cube roots

How To: Do long division with decimals

How To: Remember "greater than" & "less than" symbols

How To: Calculate Faster Than a Calculator

How To: Use ">" (greater than) and "<" (less than) symbols

How To: Find the Percent Given Two Numbers

How To: Do long division without a calculator

How To: Find Leg Lengths and Hypotenuse of a 45 45 90 Triangle

How To: Calculate percent composition for chemistry

How To: Find the Slope Given 2 Ordered Pairs

How To: Derive the equation of a straight line

How To: Solve inequalities with fractions in algebra

How To: Divide small numbers by big numbers

How To: Convert Fahrenheit to Celsius with a formula

How To: Calculate the area of a parallelogram

How To: Find the slope of a line given 2 points with fractions

How To: Solve an equation with fractional powers

How To: Solve for the missing ratios or proportions

How To: Prove a triangle inscribed in a circle is right angled

How To: Calculate probability in "at least one" problems

How To: Simplify cube roots

How To: Do long division with decimals
Be the First to Comment
Share Your Thoughts