John Rhodes, Math Teacher at Senioritis.io

John Rhodes
July 30, 2023
Calculus

Analyzing Claims about a Quadratic Function | Determining Correctness of Various Statements

Mr. Walker gave his class the function f(x) = (x + 3)(x + 5). Four students made a claim about the function. Each student’s claim is below.Jeremiah:...

John Rhodes
July 30, 2023
Calculus

Analyzing Concavity of a Function | Understanding the Behavior of the Second Derivative

Looking at a graph of f(x)… how do you know where F(x) is concave up or down? To determine where a function is concave up or down...

John Rhodes
July 30, 2023
Trigonometry

An Introduction to Trigonometry | Exploring the Relationships between Angles and Sides in Mathematics

What is trigonometry? Trigonometry is a branch of mathematics that focuses on the relationships between angles and the lengths of sides in triangles Trigonometry is a branch...

John Rhodes
July 30, 2023
Statistics

Analyzing and Describing Data | Measures of Central Tendency and Variability in Approximately Symmetric or Normal Distributions

Which option should you use if your data is approximately symmetric or approximately normal? If your data is approximately symmetric or approximately normal, you typically have two...

John Rhodes
July 30, 2023
Calculus

An Introduction to the Derivative Difference Rule in Calculus – Finding the Derivative of the Difference of Two Functions

derivative difference rule, h(x)= f(x) – g(x) The derivative difference rule is a differentiation rule that allows us to find the derivative of a function that is...

John Rhodes
July 30, 2023
Pre Algebra

An Introduction to Mathematical Terms | Building Blocks of Equations and Expressions

Term In mathematics, a term refers to a single mathematical expression that serves as a building block within a larger mathematical expression or equation In mathematics, a...

John Rhodes
July 30, 2023
Geometry

An Introduction to Polyhedra | Understanding the Geometry and Properties of Three-Dimensional Shapes

polyhedron A polyhedron is a three-dimensional geometric figure that is made up of flat faces, straight edges, and sharp vertices (corners) A polyhedron is a three-dimensional geometric...

John Rhodes
July 30, 2023
Statistics

An In-Depth Guide to Understanding and Calculating the Standard Error for Precise Statistical Estimates

Standard Error The standard error (SE) is a measure of the variability or dispersion of sample statistics, such as the mean or proportion, from one sample to...