Equations, and Functions
questions and answers
What is a function?
A relation such that for each input (usually
represented by x), there is exactly one output
(usually represented by y)
What does every coordinate point on the graph of
a linear, quadratic, logarithmic, etc. equation in
two-variables represent?
A solution to the equation
What is slope-intercept form of a linear equation?
y = mx + b
What is point-slope form of a linear equation?
y = m(x - x1) + y1
What is standard form of a quadratic equation?
y = ax^2 + bx + c
What is vertex form of a quadratic equation?
y = a(x - h)^2 + k
What is factored form of a quadratic equation?
y = a(x - r)(x - s)
Name three methods to solve a quadratic equation