Example Card: Direction of a Parabola
Apply direction of a parabola in Grade 9 math — Can you predict which way a parabola will curve just by looking at its equation? Part of Quadratic Functions and Equations for Grade 9.
Key Concepts
Can you predict which way a parabola will curve just by looking at its equation? Let's use our second key idea about the direction of a parabola.
Example Problem.
Determine whether the graph of $f(x) = 6x 3x^2 + 2$ opens upward or downward.
Common Questions
What is 'Direction of a Parabola' in Grade 9 math?
Can you predict which way a parabola will curve just by looking at its equation? Let's use our second key idea about the direction of a parabola.
How do you solve problems involving 'Direction of a Parabola'?
Let's use our second key idea about the direction of a parabola. We are given the function $f(x) = 6x - 3x^2 + 2$.
Why is 'Direction of a Parabola' an important Grade 9 math skill?
Always take the time to rewrite the equation in standard form before you decide if the parabola opens up or down.. The 'a' value is always the number attached to the $x^2$ term.