A1 5-1 Writing Equations
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Slope-intercept form for a linear equation is written as y = mx + b, where m is the slope, which is calculated by taking the rise over the run between any two points on the line, and b is the y-intercept, which is the y-value when x is 0. The example given shows how to find the slope as rise/run = 4/2 = 2 and the y-intercept using the point (0, -4) to write the equation in slope-intercept form as y = 2x - 4.
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5) Graphing functions, classifying function types, and stating domains and ranges.
6) Finding limits of functions as x approaches values.
PC 1 continuity notes
A continuous function is defined as one that is defined at a point c, where the limit exists and the function approaches the same y-value from both sides of point c. A function may be discontinuous due to an infinite jump, a jump, or a point discontinuity. Rational functions are defined as the quotient of two polynomial functions. They have asymptotes which occur where the denominator is zero, creating either a vertical or horizontal asymptote in the graph. The end behavior of functions can be determined by considering whether they are increasing or decreasing over different intervals.
PC 1 continuity
This document discusses continuity and discontinuities in functions, defining continuous functions as smooth curves where the domain includes all real numbers. It presents tests for continuity, requiring a function to be defined at a point, have an existing function value, and approach the same y-value from both sides. Critical points and extrema are defined as maximums where a function changes from increasing to decreasing, and minimums where it changes from decreasing to increasing. Rational functions are described as the quotient of two polynomial functions, with limited domains and possible vertical asymptotes.
A1 3 linear fxns
The document discusses the slope-intercept form of a linear equation, y=mx+b. It explains that x represents the input, y represents the output, m is the slope of the line, and b is the y-intercept. It provides instructions for graphing a linear equation in slope-intercept form, which is to first plot the y-intercept and then use the slope to rise and run to the next point, connecting the points with a line.
A1 3 linear fxns notes
The document discusses slope and linear equations. It defines slope as rise over run and provides examples of calculating slope from graphs and ordered pairs. It also defines the standard form of a linear equation as y=mx+b, where m is the slope and b is the y-intercept. The document explains how to graph lines from their equations in standard form by plotting the y-intercept and using the slope to rise and run to the next point.
A1 2 linear fxns
This document discusses the slope-intercept form of a linear equation, y=mx+b. It explains that x represents the input, y represents the output, m is the slope of the line, and b is the y-intercept. It provides instructions for graphing a linear equation in slope-intercept form, which is to first plot the y-intercept, then use the slope to rise and run to the next point and connect them with a line.
A1 2 linear fxns notes
This document discusses intercepts and slope of lines in algebra 1. It defines x-intercepts as where the line crosses the x-axis and y-intercepts as where it crosses the y-axis. It provides the equations for finding each, and includes two examples of finding intercepts and graphing lines. It also defines slope as rise over run and asks what the slope is of a given graph, with homework assigned on slope of lines and graphing lines intuitively.
A2 2 linear fxns notes
This document provides instructions and examples for finding the slope and y-intercept of a line from its equation, ordered pairs, or graph and using them to graph the line. It explains that slope is defined as rise over run and is used along with the y-intercept to graph lines by standard form, plotting the y-intercept and using slope to find successive points. Exercises are provided to have students practice finding slope, y-intercept, and graphing lines from different representations.
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