Functions
Given the relation (x, y), the x coordinate is also know as this
Domain
The number "i" equals
The square root of -1
ax^2 + bx + c = 0 is the formula for this type of equation
quadratic equation
What are the values for X given this equation
x^2 = 81
9 or -9
A relation in which each element of the domain is paired with exactly one element of the range.
function
i^2 represents what number
-1
The solutions to a quadratic equation
roots
Find the solutions
x^2 + 64 = 0
8i or -8i
If any vertical line passes through no more than one point of the graph of a relation, then the relation is a function.
Vertical line test
i times the square of 3
Pure imaginary number
bx is what term in a quadratic equation
Linear term
Find two value for "x"
21x^2 - 14x = 0
0, 2/3
Graphically what does this equation represent
x = -b/2a
Equation for the axis of symmentryT
The square root of -b^2
bi
A formula used to determine the number and types of roots to a quadratic equation.
b^2 - 4ac
State the roots to this quadratic equation
2x^2 - 7x - 4 = 0
-1/2, 4
The graph of a quadratic function.
Parabola
The product of these two binomials
(5 + 3i) (5 - 3i)
34
State the quadratic formula
-b +- square root of b^2 - 4ac/ 2a
Name two methods that always apply to solving a quadratic equation
Completing the square and quadratic equation