Concept explainers
a.
To graph: The equation
a.
Explanation of Solution
Given information: The equation
Graph:
For
For
For
For
Interpretation: The graph represents a parabola
b.
To calculate: time when the ball with hit the ground
b.
Answer to Problem 51SR
The ball will hit the ground after 0.81 seconds
Explanation of Solution
Given information: The equation
Formula used: Use the property: For equation of the form
Calculation:
To find after how many seconds the ball will hit the ground, put
Use the property: For equation of the form
So,
As time cannot be negative,
So,
Chapter 10 Solutions
Pre-Algebra, Student Edition
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