# sign number line   139 videos

• #### Finding the Slope of a Line from a Graph

##### Algebra 2Graphs of Linear Equations

How to find the slope of a line if given a graph.

slope change ratio fraction slope triangle
• #### Finding the Slope of a Line from an Equation

##### Algebra 2Graphs of Linear Equations

How to use the slope-intercept form of a line.

slope slope intercept form y intercept
• #### Definitions and Applications of Absolute Value

##### AlgebraAbsolute Value

What is absolute value?

absolute value number line distance
• #### Turning Variables into Numbers, Part I

##### SATSAT Math
strategies assigning numbers to variables eliminating wrong answer choices

• #### Addition and Subtraction with Mixed Numbers

##### Pre-AlgebraFractions and MIxed Numbers

Adding or subtracting mixed numbers by either converting them to improper fractions or working with the integer part and the fractional part separately

• #### The Discriminant of a Quadratic Equation

##### Algebra 2Quadratic Equations and Inequalities

How to use the discriminant to know the number and type of solutions to a quadratic.

discriminant type of solution number of solutions type of roots number of roots
• #### Scientific Notation

##### Algebra 2Exponents

How to move between scientific notation and standard notation of numbers.

scientific notation standard notation big numbers small numbers

##### Pre-AlgebraWhole Numbers

Using the number line to represent adding and subtracting whole numbers

• #### Comparing Fractions

##### Pre-AlgebraFractions and MIxed Numbers

Comparing fractions using < or > and ordering them on the number line

• #### Graphing One Variable Inequalities

##### Pre-AlgebraSolving Equations and Inequalities

Graphing one variable inequalities on a number line

• #### DeMoivre's Theorem

##### PrecalculusPolar Coordinates and Complex Numbers

How to raise a complex number to an integer power using DeMoivre's Theorem.

complex numbers trigonometric form modulus argument

• #### Compound Interest (Finite Number of Calculations)

##### Algebra 2Inverse, Exponential and Logarithmic Functions

How to use the compounded interest formula to find the value of an investment.

interest compound interest daily monthly weekly quarterly rate
• #### Compound Interest (Finite Number of Calculations)

##### PrecalculusExponential and Logarithmic Functions

How to use the compounded interest formula to find the value of an investment.

interest compound interest daily monthly weekly quarterly rate
• #### Scatterplots and Correlations

##### AlgebraIntroduction to Statistics

How to identify positive correlations, negative correlations, or no correlation between two variables.

scatterplot correlation trend line line of best fit
• #### Probability

##### Pre-AlgebraIntroductory Statistics

Probability is number of successes out of number of possible outcomes

• #### Synthesizer: Voting Rights Time line

##### AP US GovernmentAP US Government Review
Using a graphic organizer to review voting rights
• #### Vertical Angles

##### GeometryReasoning, Diagonals, Angles and Parallel Lines

How to define and identify vertical angles.

vertex intersecting lines congruent