Note
4.8
(4)
Rate it
Take a practice test
Chat with Kai
Explore Top Notes
Chapter 25 - The Age of Western Imperialism
Note
Studied by 21 people
5.0
(1)
Metaphysics
Note
Studied by 109 people
5.0
(2)
Unit 0: The balance between the natural environment and human activity - Explore and Toolkit
Note
Studied by 4 people
5.0
(1)
Biochemistry!
Note
Studied by 206 people
4.3
(3)
Traditional Music (AQA)
Note
Studied by 16 people
5.0
(1)
Chapter 22: Immigration
Note
Studied by 22 people
5.0
(1)
Home
Math
Pre-Calculus
The Quadratic Formula
Quadratic Formula
The solutions of the quadratic equation ax^2 + bx + c = 0 where a not= 0 are given by
You can use this formula for any quadratic equation
But be careful, not all quadratic equations have a solution
Checklist
Equation is in the form ax^2 + bx + c = 0
Write down your values of a.b and c before you substitute
Use brackets when you are substituting negative numbers
Show what you have substituted in the formula
Simplify what is under the square root and write this down
The +- symbol means you need to do two calculations
Working it out
You are asked to find solutions
This tells you that you are solving a quadratic equation
You must give your answer correct to the certain amount
Write down at least 5 figures after the decimal point on the calculator display before giving your final answer
You might need to use the S-D button on your calculator to get the answer as a decimal
Note
4.8
(4)
Rate it
Take a practice test
Chat with Kai
Explore Top Notes
Chapter 25 - The Age of Western Imperialism
Note
Studied by 21 people
5.0
(1)
Metaphysics
Note
Studied by 109 people
5.0
(2)
Unit 0: The balance between the natural environment and human activity - Explore and Toolkit
Note
Studied by 4 people
5.0
(1)
Biochemistry!
Note
Studied by 206 people
4.3
(3)
Traditional Music (AQA)
Note
Studied by 16 people
5.0
(1)
Chapter 22: Immigration
Note
Studied by 22 people
5.0
(1)