Dividing Fractions By Whole Numbers

How to Divide a Fraction by a Whole Number? To Divide a Fraction by a Whole Number: Multiply the bottom number of the fraction by the whole number Simplify the fraction (if needed) Example   Step 1 Step 2 Can’t be simplified more Learn More Fractions Improper Fractions Adding Fractions Simplest Form of Fractions Algebra … Continue reading "Dividing Fractions By Whole Numbers"

Fractional Exponents

A fractional exponent is an alternate notation for expressing powers and roots together. Fractional Exponents are also known as Radicals or Rational Exponents. Whole Number Exponents First, look at whole number exponents: The exponent of a number says how many times to use the number in a multiplication. Fractional Exponents Remember that when aa is a … Continue reading "Fractional Exponents"

Standard Form

Definition What is “Standard Form”? It depends on what you are dealing with! Standard Form of a Decimal Number In Britain, this is another name for Scientific Notation, where you write down a number this way: 4321 = 4.321 × 103 In this example, 4321 is written as 4.321 × 103, because 4321 = 4.321 × … Continue reading "Standard Form"

Linear Equations

A linear equation is an equation for a straight line. Different Forms There are many ways of writing linear equations. They usually have constants (like “3” or “c”) and must have simple variables (like “x” or “y”). The variables (like “x” or “y”) in Linear Equations do NOT have: Exponents (like the 2 in x2) Square … Continue reading "Linear Equations"

A fraction like 1/2 says we have 1 out of the 2 parts the whole is divided into. The top number is called numerator The bottom number is called denominator How to Add Fractions To add fractions there are Three Simple Steps: Make sure the bottom numbers (the denominators) are the same Add the top … Continue reading "Adding Fractions"

Composition of Functions

By combining these 2 function into 1 function, we have performed function composition, which is the focus of this section. Definition of Function Composition Function composition is a method to combine existing functions. Another method is to carry out the usual algebraic operations on functions, including addition, subtraction, multiplication, & division. We do this by … Continue reading "Composition of Functions"

Sohcahtoa

Definitions Just an easy way to remember how Sine, Cosine and Tangent work: Soh…   (Sine = Opposite / Hypotenuse) …cah…  (Cosine = Adjacent / Hypotenuse) …toa (Tangent = Opposite / Adjacent) Right Triangle Firstly, the names Opposite, Adjacent and Hypotenuse come from the right triangle: “Opposite” is opposite to the angle θ “Adjacent” is adjacent (next to) to … Continue reading "Sohcahtoa"