intersecting lines 76 videos
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Solving a System of Linear Equations in Two Variables
Algebra 2 Systems of Linear Equations
How to solve a system of linear equations in two variables.
solving a system in two variables substitution elimination intersection parallel same line -
Scatterplots and Correlations
Algebra Introduction to Statistics
How to identify positive correlations, negative correlations, or no correlation between two variables.
scatterplot correlation trend line line of best fit -
Solving "Less Than" Absolute Value Inequalities
Precalculus Linear Equations and Inequalities
How to solve an inequality with an absolute value less than a number.
absolute value inequality making 2 equations intersection -
Corresponding Angles
Geometry Reasoning, Diagonals, Angles and Parallel Lines
How to define corresponding angles and their special properties.
parallel lines angles congruence -
Graphing Equations by Making a Table of Values
Pre-Algebra Graphing in Two Dimensions
Graphing a line by making a table of values
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Definitions and Applications of Absolute Value
Algebra Absolute Value
What is absolute value?
absolute value number line distance -
Rays
Geometry Geometry Building Blocks
How to identify, define, and label rays and opposite rays.
ray line endpoint opposite rays -
Finding the Slope of a Line from 2 Points
Algebra Linear Equations and Their Graphs
How to find the slope if you're given 2 points.
slope point ratio -
Point-Slope Form of Linear Equations
Algebra Linear Equations and Their Graphs
How to write the equation of a line in point-slope form.
slope equation -
Comparing Fractions
Pre-Algebra Fractions and MIxed Numbers
Comparing fractions using < or > and ordering them on the number line
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Addition and Subtraction with Decimals
Pre-Algebra Decimals and Percents
Adding or subtracting decimals by vertically lining up the zeros
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Graphing One Variable Inequalities
Pre-Algebra Solving Equations and Inequalities
Graphing one variable inequalities on a number line
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Alternate Interior Angles
Geometry Reasoning, Diagonals, Angles and Parallel Lines
How to define alternate interior angles and their special properties.
parallel lines angles congruence interior transversal -
Alternate Exterior Angles
Geometry Reasoning, Diagonals, Angles and Parallel Lines
How to define alternate exterior angles and their special properties.
parallel lines angles congruence exterior transversal -
Same Side Interior and Same Side Exterior Angles
Geometry Reasoning, Diagonals, Angles and Parallel Lines
How to describe same side interior and same side exterior angles and their special properties.
parallel lines angles congruence interior exterior transversal -
Constructing an Angle Bisector
Geometry Constructions
How to define and construct an angle bisector.
construction perpendicular equidistant shortest distance to a line bisector