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To describea real-world situation which involves a
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Answer to Problem 72HP
The height of a soccer ball that is kicked in the air can be represented by a quadratic equation. The vertex would signify the highest point reached by the ball.
Explanation of Solution
Given information :
Quadratic equation in real life situation.
The graph of a quadratic equation (
The axis of symmetry bisects the parabola into two equal parts. Hence each point on the parabola would have an equal point on the other side of the axis of symmetry
This vertex point shall be:
Highest point (if
Or, lowest point (if
In this case, ‘a’ is lesser than 0 hence the graph will have a maximum and will open downwards.
A parabola always points to infinity, either negative or positive.
If a soccer ball is kicked in the air it would reach a certain height and then eventually drop to the ground. The phenomenon can be represented by a downward facing parabola defined by a quadratic equation.
As mentioned above, for a downward facing parabola
Chapter 9 Solutions
Algebra 1, Homework Practice Workbook (MERRILL ALGEBRA 1)
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