FACTORING
The name of the property that states:
If ab= 0, then a = 0 or b = 0
Zero Product Property
It is moved to the right side of a quadratic equation, using the completing the square method.
constant
State the Quadratic Formula.
Answer is verbal!
Complex numbers are made up of real numbers and __________ numbers.
imaginary
The form that a quadratic equation must be written in in order to use the factoring method
Standard form
To use the completing the square method, the leading coefficient must be _____.
1
What form must the equation be written in to use the Quadratic Formula?
standard form
What letter represents imaginary numbers?
i
How would this equation be factored:
x2 - 9x + 18 = 0
(x - 6)( x - 3)
What must you remember to put in front of the square root on the right side of the equation to get both solutions?
+/-
DAILY DOUBLE!!!
What is the expression underneath the radical in the Quadratic Formula called?
discriminant
a + bi and a - bi are called complex ____________.
conjugates
How would this equation be factored?
x2 + 6x - 40 = 0
(x + 10)(x - 4)
DAILY DOUBLE!!!!!!
How do you find the number to complete the square using this method?
Take half the middle coefficient and square it.
What is the discriminant?
b^2 - 4ac
5i is an example of a ______ imaginary number because it has no real part.
pure
Another name for the solution to a quadratic equation
root or zero
You complete the square to make a P________
S________ T_________.
Perfect Square Trinomial
How many real solutions does a quadratic equation have if its discriminant is a positive number?
2
You can use the distributive property or the FOIL method to _____________ complex numbers.
multiply