Q72.
Question
OPEN-ENDED Describe a real-world situation that involves a quadratic equation. Explain what the vertex represents.
Step-by-Step Solution
Verified Answer
A real-world situation is a path traveled by a ball thrown in the air represented by a downward parabola. Vertex of parabola represents the maximum height that the ball attains during its flight in the air.
1Step 1. Example.
A real-world example: representation of a path traveled by a ball thrown in the air through a downward parabola.
2Step 2. Value of a .
The equation of the path of a ball thrown in the air will be a quadratic equation, where the value of a is .
3Step 3. Vertex.
Here, the vertex will be the maximum point of the parabola. Therefore, it will represent the maximum height that the ball attains during its flight in the air.
Other exercises in this chapter
Q70.
CHALLENGE Using the axis of symmetry and one x-intercept, write an equation for the graph shown.
View solution Q71.
REASONING The graph of a quadratic function has a vertex at 2,0. One point on the graph is 5,9. Find another point on the graph. Explain how you find it.
View solution Q73.
REASONING Provide a counterexample to the following statement. The vertex of a parabola is always the minimum of the graph.
View solution Q74.
WRITING MATH Explain how to find the axis of symmetry from an equation for a quadratic equation. What other characteristics of the graph can you derive from the
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