Table of contents
- 0. Review of Algebra4h 16m
- 1. Equations & Inequalities3h 18m
- 2. Graphs of Equations43m
- 3. Functions2h 17m
- 4. Polynomial Functions1h 44m
- 5. Rational Functions1h 23m
- 6. Exponential & Logarithmic Functions2h 28m
- 7. Systems of Equations & Matrices4h 6m
- 8. Conic Sections2h 23m
- 9. Sequences, Series, & Induction1h 19m
- 10. Combinatorics & Probability1h 45m
3. Functions
Intro to Functions & Their Graphs
2:15 minutes
Problem 37f
Textbook Question
Textbook QuestionUse a graphing calculator to graph each equation in the standard viewing window. 3x + 4y = 6
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Key Concepts
Here are the essential concepts you must grasp in order to answer the question correctly.
Standard Form of a Linear Equation
The standard form of a linear equation is expressed as Ax + By = C, where A, B, and C are constants. In this format, the coefficients of x and y provide a clear way to identify the slope and intercepts of the line. For the equation 3x + 4y = 6, it can be rearranged to find the y-intercept and slope, which are essential for graphing.
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Graphing Linear Equations
Graphing linear equations involves plotting points that satisfy the equation on a coordinate plane. The line formed by connecting these points represents all solutions to the equation. Understanding how to find key points, such as intercepts, helps in accurately sketching the graph, especially when using a graphing calculator.
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Graphing Calculator Functions
A graphing calculator is a powerful tool that allows users to visualize equations and functions. It can plot graphs in real-time, providing a standard viewing window that typically ranges from -10 to 10 on both axes. Familiarity with the calculator's functions, such as inputting equations and adjusting viewing windows, is crucial for effectively graphing and analyzing linear equations.
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