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Mathematics

How To Write The Domain Of A Function?

Start with the set of all possible input values Exclude values that make the function undefined Exclude values that cause division by zero Exclude values inside an...

How To Write Point Slope Form?

Start with the point-slope form: (y - y_1 = m(x - x_1)) Identify the slope (m) Identify a point on the line ((x_1, y_1)) Substitute the slope...

How To Write Interval Notation?

Use parentheses for endpoints not included: ( (a, b) ) Use brackets for endpoints included: ( ) Use a parenthesis on infinity or negative infinity:...

How To Write In Scientific Notation?

Move the decimal point so the number becomes a value between 1 and 10 Count how many places the decimal point moved Write the count as...

How To Write Fraction Into Decimal?

Divide the numerator by the denominator Write the quotient as the decimal Add zeros to the numerator if needed to continue dividing Place the decimal point in...

How To Write Feet And Inches?

Use the apostrophe for feet: 5' Use the double quotation mark for inches: 8" Write both together as 5' 8" For fractions, write 5' 8 1/2" For a...

How To Work Out Win Percentage?

Win percentage = (Wins ÷ Total Games Played) × 100 Total Games Played = Wins + Losses + Draws If there are no draws, Total Games...

How To Work Out Volume Of A Circle?

A circle has no volume; it is a 2D shape To find the area of a circle, use A = πr² r is the radius of...

How To Work Out Volume Of A Box?

Measure the length of the box Measure the width of the box Measure the height of the box Multiply length × width × height Write the result in...

How To Work Out The Volume Of A Circle?

A circle does not have volume; it has area. Use the formula for area of a circle: A = πr² Identify the radius, r Square the radius Multiply...

How To Work Out The Percentage Difference Between Two Numbers?

Subtract one number from the other Take the absolute value of the result Find the average of the two numbers Divide the absolute difference by the average Multiply...

How To Work Out Percentage Increase Or Decrease?

Find the difference between the new value and the original value Divide the difference by the original value Multiply the result by 100 If the result is...

How To Work Out Money Percentages?

Convert the percentage to a decimal by dividing by 100 Multiply the decimal by the money amount For finding a percentage of a number, use: amount...

How To Work Out Average Cost?

Add up all the costs Count the number of items or transactions Divide the total cost by the number of items or transactions Use the formula: Average...

How To Use SOHCAHTOA?

Identify the right triangle Choose the angle you know Label the sides relative to that angle Use SOHCAHTOA to match the ratio SOH = sine = opposite over...

How To Use Quadratic Formula?

Write the equation in standard form: ax^2 + bx + c = 0 Identify a, b, and c Substitute the values into the quadratic formula: x...

How To Use Protractor?

Place the protractor’s center point on the vertex of the angle Align the protractor’s baseline with one side of the angle Use the correct scale starting...

How To Type Theta?

θ Θ Windows: Alt + 952 Mac: Option + J Linux: Compose key + t + h HTML: θ LaTeX: theta Unicode: U+03B8 Copy and paste: θ

How To Turn Whole Number To Fraction?

Write the whole number over 1 Use the number as the numerator Use 1 as the denominator Simplify if needed Example: 5 = 5/1

How To Turn Slope Intercept Into Standard Form?

Start with slope-intercept form: (y = mx + b) Move the (mx) term to the left side Rewrite as ( -mx + y = b ) If...

How To Turn Mixed Fractions Into Improper Fractions?

Multiply the whole number by the denominator Add the numerator to the result Keep the same denominator Write the new numerator over the original denominator Example: 2 3/4...

How To Turn An Improper Fraction Into A Mixed Number?

Divide the numerator by the denominator Write the quotient as the whole number Write the remainder as the new numerator Keep the original denominator Combine the whole number...

How To Turn A Repeating Decimal Into A Fraction?

Let the repeating decimal be (x) Multiply (x) by a power of 10 so the repeating part lines up Subtract the original equation from the multiplied...

How To Turn A Number To A Fraction?

Write the number over 1 if it is a whole number If it is a decimal, count the digits after the decimal point Remove the decimal...