Math Problem Statement
Solution
The problem presented involves using the table of data to generate a quadratic regression that models the height of an object over time , after being thrown from a building.
Given Table:
(s) | 0.5 | 1 | 1.5 | 2 | 2.5 | 3 |
---|---|---|---|---|---|---|
(m) | 67.925 | 77.4 | 84.425 | 89 | 91.125 | 90.8 |
The task involves calculating a quadratic regression equation for in the form: The quadratic regression equation provided in the image is: This equation is rounded to one decimal place, as specified.
Interpretation:
- The quadratic coefficient indicates a downward-opening parabola, implying that the object rises initially, then starts falling after a certain point.
- The linear coefficient reflects the object's initial velocity after being thrown.
- The constant represents the object's initial height at .
Let me know if you'd like further details, such as how quadratic regression is calculated, or any additional steps you need help with.
Would you like further clarification or details?
Here are 5 questions to expand on the topic:
- How does the quadratic model relate to the object's motion?
- What is the significance of the negative coefficient for ?
- Can you use this model to determine the maximum height reached by the object?
- How would you solve for the time when the object reaches the ground?
- How does rounding affect the accuracy of the regression model?
Tip: In projectile motion problems, the quadratic term typically comes from the influence of gravity on the object's motion.
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Math Problem Analysis
Mathematical Concepts
Quadratic Regression
Projectile Motion
Algebra
Formulas
Quadratic equation: h(t) = at^2 + bt + c
Quadratic regression formula
Theorems
Regression Analysis
Basic Projectile Motion
Suitable Grade Level
Grades 10-12