Wednesday, September 12, 2012
The Order of Operations
1. All grouping symbols from the inside-out
2. Exponents and roots
3. Multiplication/division from left to right
4. Addition/subtraction from left to right
2. Exponents and roots
3. Multiplication/division from left to right
4. Addition/subtraction from left to right
Solving Quadratic Equations: The 5 Steps
1. Put the quadratic equation in standard form
2. Factor
3. Use the zero-product theorem
4. Solve the two linear equations
5. Check the quadratic equation by placing the solution back into the ORIGINAL equation
2. Factor
3. Use the zero-product theorem
4. Solve the two linear equations
5. Check the quadratic equation by placing the solution back into the ORIGINAL equation
Factoring General Trinomials: The Box Method
Just to let you know, this method of factoring is an alternative to the Bottom's-up Method. General trinomials can be factored several different ways, so I recommend you find a method you like and stick with only that method. If you have any questions or concerns, please leave them below in the comment section.
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