Experiment 1: Slide the blue circle on the parabola to the point (-2, 4). 1A. Does the slope of the tangent line appear to be positive, negative, zero or undefined? 1B. State the slope of the tangent line as rise/run. 1C. The equation of the parabola is f(x) : = x^2-x-2. Calculate the derivative f'(x). Evaluate f'(-2) and state its value. 1D. Compare the slope rise/run to f'(-2). How did they compare? Were they the same or different?

Calculus: Early Transcendentals
8th Edition
ISBN:9781285741550
Author:James Stewart
Publisher:James Stewart
Chapter1: Functions And Models
Section: Chapter Questions
Problem 1RCC: (a) What is a function? What are its domain and range? (b) What is the graph of a function? (c) How...
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**Experiment 1:** Slide the blue circle on the parabola to the point (-2, 4).

1A. Does the slope of the tangent line appear to be positive, negative, zero, or undefined?

1B. State the slope of the tangent line as rise/run.

1C. The equation of the parabola is \( f(x) = x^2 - x - 2 \). Calculate the derivative \( f'(x) \). Evaluate \( f'(-2) \) and state its value.

1D. Compare the slope rise/run to \( f'(-2) \). How did they compare? Were they the same or different?
Transcribed Image Text:**Experiment 1:** Slide the blue circle on the parabola to the point (-2, 4). 1A. Does the slope of the tangent line appear to be positive, negative, zero, or undefined? 1B. State the slope of the tangent line as rise/run. 1C. The equation of the parabola is \( f(x) = x^2 - x - 2 \). Calculate the derivative \( f'(x) \). Evaluate \( f'(-2) \) and state its value. 1D. Compare the slope rise/run to \( f'(-2) \). How did they compare? Were they the same or different?
**Quadratic and Tangent Line Exploration**

**Objective:**
Investigate how the gradient of the tangent line to a quadratic curve changes as you move a point along the curve.

### Components and Instructions:

1. **Quadratic Function (Blue):**
   - The quadratic curve is represented by the equation \(y = x^2 - x - 2\).

2. **Tangent Line (Red):**
   - The tangent line is represented by the equation \(-0.5x + 0.5y = 0\).
   - This line is tangent to the blue curve at point A.

3. **Point A (Blue):**
   - Point \(A\) initially at coordinates \((1, -2)\). 
   - Move Point \(A\) to observe changes in the tangent line's gradient.

4. **Number and Slope (Brown):**
   - The variable \(b\), with a value of 1, likely represents a slope-related aspect of the tangent.

### Graph Description:

- **Axes:** The graph displays a standard Cartesian plane with both \(x\) and \(y\) axes.
- **Curve:** The blue parabola is concave upwards.
- **Tangent Line:** The red line is currently tangent to the curve at Point A, intersecting the parabola at only this point.
- **Slope Indicator:** An orange line segment labeled \(b = 1\) visually indicates the slope aspect of the tangent line relative to the parabola.

### Exploration:

- By moving Point A along the curve, observe how the tangent line adjusts its position.
- Pay attention to how the gradient (slope) changes as \(A\) moves, which reflects the derivative of the quadratic function at different points.

This interactive exploration is designed to deepen understanding of calculus concepts such as differentiation and the relationship between a curve and its tangent line.
Transcribed Image Text:**Quadratic and Tangent Line Exploration** **Objective:** Investigate how the gradient of the tangent line to a quadratic curve changes as you move a point along the curve. ### Components and Instructions: 1. **Quadratic Function (Blue):** - The quadratic curve is represented by the equation \(y = x^2 - x - 2\). 2. **Tangent Line (Red):** - The tangent line is represented by the equation \(-0.5x + 0.5y = 0\). - This line is tangent to the blue curve at point A. 3. **Point A (Blue):** - Point \(A\) initially at coordinates \((1, -2)\). - Move Point \(A\) to observe changes in the tangent line's gradient. 4. **Number and Slope (Brown):** - The variable \(b\), with a value of 1, likely represents a slope-related aspect of the tangent. ### Graph Description: - **Axes:** The graph displays a standard Cartesian plane with both \(x\) and \(y\) axes. - **Curve:** The blue parabola is concave upwards. - **Tangent Line:** The red line is currently tangent to the curve at Point A, intersecting the parabola at only this point. - **Slope Indicator:** An orange line segment labeled \(b = 1\) visually indicates the slope aspect of the tangent line relative to the parabola. ### Exploration: - By moving Point A along the curve, observe how the tangent line adjusts its position. - Pay attention to how the gradient (slope) changes as \(A\) moves, which reflects the derivative of the quadratic function at different points. This interactive exploration is designed to deepen understanding of calculus concepts such as differentiation and the relationship between a curve and its tangent line.
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