Key Characteristics
The point where the graph intersects the y-axis.
What is the y-intercept?
The points where the graph intersects the x-axis and are the solutions of the quadratic equation.
What are the x-intercepts?
The standard form of a quadratic equation.
What is ax2 + bx + c = 0?
Identify the vertex of x2 + 4x - 5 = 0.
What is (-2, -9)?
The shape of the graph of a quadratic function.
What is a parabola?
The trends in the y-values of a function as the x-values increase or decrease.
What is the end behavior of a function?
The ways to solve quadratic equations.
What is graphing, quadratic equations, completing the square, square roots, and factoring?
Identify the vertex of -2x2 + 4x + 4 = 0.
What is (1, 6)?
When the y values of the function are increasing as the x values are increasing.
What is increasing?
When the y values of the function are decreasing as the x values are increasing.
What is decreasing?
The part of the quadratic formula that tells you how many solutions there are, b2-4(a)(c).
What is the discriminant?
Identify the vertex of -x2 + 2x - 1 = 0.
What is (1, 0)?
The line that runs through the vertex and divides the parabola in two symmetrical halves.
What is the axis of symmetry?
Represents the highest or lowest point on the graph.
What is the vertex?
The number you would add to complete the square for x2+5x=0.
What is 25/4?
Identify the vertex of x2 + 2x - 1 = 0.
What is (-1, -2)?
The set of y values that make up the function.
What is the range?
The set of x values that make up the function.
What is the domain?
Identify the number of solutions in x2-3x+8=0.
What is 0?
Identify the vertex of 3x2 + x - 3 = 0.
What is (-0.25, -3.125)?