Formula
When do you use the quadratic formula?
When "a" does not equal 1
When do you complete the square?
When "a"=1, and "b" is even
When do you factor?
When "a"=1, and "b" is odd
When do you use square roots to solve a quadratic equation?
What is the quadratic formula?
(-b ± sqrt(b-4ac))/2a
what does x2 mean?
x2 is x*x
What are factors?
The product of a number being divided with no remainder
What is a square root?
the opposite of squaring
Who published the notation of the quadratic formula that we use today?
René Descartes
What is the quadratic equation
ax2+bx+c
What are the opposites of factors?
Multiples
Who invented the square root symbol?
Christoff Rudolff
How do you use the formula to solve?
You plug in the values
How do you complete the square?
You move "c" to the side of the equation that doesn't have "a" and "b," you then take half of "b" and then square that. Add that product to both sides, and simplify.
How do you use factoring to solve?
You take the factors of "c" that add to "b" and then invert them to get your x's
How do you use square roots to solve?
You take the square root of the expression