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Precalculus
»
A.
Functions
»
A.3.
Linear Equations in Two Variables
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Unit Challenge
Finding and Using Slope
Overview
Tell whether the slope is positive, negative, zero, or undefined
Estimate the slope of the line on a coordinate plane
Find the slope and y-intercept of the equation
Find the slope of the line passing through the given points
Writing the Equation of a Line Using the Point-Slope Form
Overview
Write the equation of a line given a point and slope
Write the equation of a line when the slope is undefined
Write the equation of the line given two points
Finding Parallel and Perpendicular Lines
Overview
Determine whether the lines are parallel, perpendicular, or neither given two equations
Determine whether the lines are parallel, perpendicular, or neither given two sets of two points
Write the equation of a parallel line given an equation and a point
Write the equation of a perpendicular line given an equation and a point
Using Slope as a Ratio and Rate of Change
Overview
Word problems – Tell whether the slope of the ramp meets the requirements
Word problems – determine whether sales increased or decreased given a slope and find largest/smallest changes
Using Slope as a Ratio and Rate of Change — Word problems – Tell whether the slope of the ramp meets the requirements
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