2. y= 2x2 y = -2x2

Algebra and Trigonometry (6th Edition)
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ISBN:9780134463216
Author:Robert F. Blitzer
Publisher:Robert F. Blitzer
ChapterP: Prerequisites: Fundamental Concepts Of Algebra
Section: Chapter Questions
Problem 1MCCP: In Exercises 1-25, simplify the given expression or perform the indicated operation (and simplify,...
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### Understanding Quadratic Functions and Their Graphs

In this exercise, we will explore how the graph of \( y = ax^2 \) changes when the coefficient \( a \) is altered. We will observe how different values of \( a \), both positive and negative, influence the shape and direction of the parabola.

#### Graphing Functions

**1. \( y = x^2 \) and \( y = -x^2 \)**

The first set of graphs involves \( y = x^2 \) and \( y = -x^2 \).

- **Graph 1:** To be drawn on the provided grid showing a standard upward parabola for \( y = x^2 \) and a downward parabola for \( y = -x^2 \).

**2. \( y = 2x^2 \) and \( y = -2x^2 \)**

The second set of graphs involves \( y = 2x^2 \) and \( y = -2x^2 \).

- **Graph 2:** To be drawn on the provided grid showing a narrower upward parabola for \( y = 2x^2 \) and a narrower downward parabola for \( y = -2x^2 \).

**3. \( y = \frac{1}{2} x^2 \) and \( y = 3x^2 \)**

The third set of graphs involves \( y = \frac{1}{2} x^2 \) and \( y = 3x^2 \).

- **Graph 3:** To be drawn on the provided grid showing a wider upward parabola for \( y = \frac{1}{2} x^2 \) and a very narrow upward parabola for \( y = 3x^2 \).

### Explanation of Graphs

- **Graph 1:** Plots the functions \( y = x^2 \) and \( y = -x^2 \). The positive coefficient in \( y = x^2 \) results in a standard upward-opening parabola, while the negative coefficient in \( y = -x^2 \) flips the graph to open downward.

- **Graph 2:** Plots the functions \( y = 2x^2 \) and \( y = -2x^2 \). The constant factor \( 2 \) causes both parabolas to be narrower than the par
Transcribed Image Text:### Understanding Quadratic Functions and Their Graphs In this exercise, we will explore how the graph of \( y = ax^2 \) changes when the coefficient \( a \) is altered. We will observe how different values of \( a \), both positive and negative, influence the shape and direction of the parabola. #### Graphing Functions **1. \( y = x^2 \) and \( y = -x^2 \)** The first set of graphs involves \( y = x^2 \) and \( y = -x^2 \). - **Graph 1:** To be drawn on the provided grid showing a standard upward parabola for \( y = x^2 \) and a downward parabola for \( y = -x^2 \). **2. \( y = 2x^2 \) and \( y = -2x^2 \)** The second set of graphs involves \( y = 2x^2 \) and \( y = -2x^2 \). - **Graph 2:** To be drawn on the provided grid showing a narrower upward parabola for \( y = 2x^2 \) and a narrower downward parabola for \( y = -2x^2 \). **3. \( y = \frac{1}{2} x^2 \) and \( y = 3x^2 \)** The third set of graphs involves \( y = \frac{1}{2} x^2 \) and \( y = 3x^2 \). - **Graph 3:** To be drawn on the provided grid showing a wider upward parabola for \( y = \frac{1}{2} x^2 \) and a very narrow upward parabola for \( y = 3x^2 \). ### Explanation of Graphs - **Graph 1:** Plots the functions \( y = x^2 \) and \( y = -x^2 \). The positive coefficient in \( y = x^2 \) results in a standard upward-opening parabola, while the negative coefficient in \( y = -x^2 \) flips the graph to open downward. - **Graph 2:** Plots the functions \( y = 2x^2 \) and \( y = -2x^2 \). The constant factor \( 2 \) causes both parabolas to be narrower than the par
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