Concept explainers
Find the distance of landing of ball from the batter.
Answer to Problem 2P
About 144.8 feet.
Explanation of Solution
Given :
A batter strikes a baseball . The equation
Calculation:
Given :
When the ball lands, its height will be 0.
Substitute y = 0 in the equation and solve for x :
Comparing the equation with standard quadratic equation , a = 1, b = -140 , c = -700
Find roots using the quadratic formula:
Since the distance is positive, so the distance of landing of ball is about 144.8 feet.
Chapter 9 Solutions
High School Math 2015 Common Core Algebra 1 Student Edition Grade 8/9
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