# number of roots   109 videos

• #### 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

• #### Classifying and Naming

##### Pre-AlgebraPolynomials

Vocabulary of classifying polynomials by degree and number of terms

• #### Evaluating a Logarithmic Expression in terms of Known Quantities

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

How to break up a logarithm of a large number.

product rule of logs quotient rule of logs expand
• #### Evaluating a Logarithmic Expression in terms of Known Quantities

##### PrecalculusExponential and Logarithmic Functions

How to break up a logarithm of a large number.

product rule of logs quotient rule of logs expand
• #### SAT Writing Tips

##### SATSAT Writing
wordiness redundancy number agreement double negatives split infinitives
• #### 45-45-90 Triangles

##### GeometryPythagorean Theorem

How to find the length of a leg or hypotenuse in a 45-45-90 triangle using the Pythagorean Theorem.

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• #### SAT Vocabulary

building vocabulary roots prefixes suffixes mnemonic devices imagery tricks
• #### 45-45-90 Triangles

##### TrigonometryPythagorean Theorem

How to find the length of a leg or hypotenuse in a 45-45-90 triangle using the Pythagorean Theorem.

isosceles right triangle leg hypotenuse Pythagorean theorem square root
• #### The Transformation y = f(bx)

##### PrecalculusIntroduction to Functions

How determine what transformation the graph y = f(bx) represents when b > 1.

the square root function horizontal shift horizontal compression compression factor endpoint
• #### Coin Word Problems

##### AlgebraWord Problems Using Systems of Equations

How to solve word problems about values and number of coins.

coins system of equations substitution
• #### Sum of Digits

##### AlgebraWord Problems Using Systems of Equations

How to solve a problem when asked to switch the digits of a 2-digit number.

sum digits word problem
• #### Scientific Notation

##### AlgebraExponents

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

power scientific notation
• #### Inductive Reasoning

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

How to define inductive reasoning, and how to find numbers in a sequence.

inductive reasoning deductive reasoning patterns Fibonacci sequence.
• #### Rounding

##### Pre-AlgebraWhole Numbers

How to round whole numbers including estimation errors and real life scenarios

• #### Applications

##### Pre-AlgebraIntegers

Real word situations that involve operations on positive and negative numbers

• #### Estimating Percents

Using 1% or 10% to estimate other percents of a given number

• #### Scientific Notation

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

power scientific notation
• #### Solving "Greater Than" Absolute Value Inequalities

##### PrecalculusLinear Equations and Inequalities

How to solve an inequality with an absolute value greater than a number.

absolute value inequality making 2 equations union
• #### Solving "Less Than" Absolute Value Inequalities

##### PrecalculusLinear Equations and Inequalities

How to solve an inequality with an absolute value less than a number.

absolute value inequality making 2 equations intersection