SigmaA number is a mathematical object used to measure, count, & label. In common usage, number may refer to mathematical object, a word or phrase, or a symbol. The notion of number has been extended over the centuries to include 0, negative numbers, rational numbers such as 2/5 and −1/3, real numbers such as √2
How to Cube A Number a cubed = a x a x a a cubed is written as a3 Examples 0 cubed 03 0 × 0 × 0 0 1 cubed 13 1 × 1 × 1 1 -2 cubed (-2)3 (-2) × (-2) × (-2) -8 3 cubed 33 3 × 3 × 3 27 4 cubed
How to convert a Decimal to a Fraction? Write down the decimal divided by 1, like this: decimal/1 Multiply both top and bottom by 10 for every number after the decimal point. Simplify the fraction Examples Decimal Step 1 Step 2 Step 3 Fraction 0.75 2.35 = 2+0.35 0.333 Can’t get any simpler! Special Note: For
Every function has each graph, but not all of the graph symmetric to x-axis, y-axis, or others. If the graph has symmetric, it concludes to specific case that the function is even or odd function. Even function and graph Even function is different mean with even numbers. The graph of even function is symmetric to
How to convert a Percent to a Fraction? Write down the percent divided by 100 like this: percent/100 If the percent is not a whole number, then multiply both top and bottom by 10 for every number after the decimal point. Simplify the fraction Examples Percent Step 1 Step 2 Step 3 Fraction 13% The
Fractions A Fraction (such as 2/3) has two numbers: Numerator: the top number Denominator: the bottom number We call the top number the Numerator, it is the number of parts we have. We call the bottom number the Denominator, it is the number of parts the whole is divided into. Reciprocal of a Fraction To
Common Multiple A common Multiple number is a multiple of two or more numbers. Example Multiple of 3 and 4: Number Multiples 3 3, 6, 9, 12, 15, 18, 21, 24, … 4 4, 8, 12, 16, 20, 24, … So, the common multiples of 3 and 4 are: 12, 24, … Least Common Multiple
Previous topic about polynomial is multiplying. If there are two or more simple polynomial that are multiplied it will become complex polynomial. Concept of factoring polynomials is inversely. Starting from complex polynomial become simple polynomial. If the polynomial is divided by one of the simple polynomials then the remainder is zero. It is also called
When a triangle has a right angle (90°) and squares are made on each of the 3 sides, then the biggest square has the exact same area as the other 2 squares put together! Pythagoras Theorem can be written in one short equation: a2 + b2 = c2 Where: c is the longest side of the triangle
x Intercept is where the graph of an equation crosses the x-axis y Intercept is where the graph of an equation crosses the y-axis How To find the intercepts What Intercept Steps x intercepts (x, 0) 1. Set y=02. Solve for x y intercepts (0, y) 1. Set x=02. Solve for y Learn More General