Elizabeth Waters

Carnegie Mellon University
Teacher

Biography

The 2021-2022 school year is my tenth year in education. I have five years experience teaching a variety of high school mathematics, including Algebra 1 and 2, Geometry, and Math for College Readiness. This is my fifth year teaching 7th and 8th grade general math. I graduated from West Port High School and the College of Central Florida in 2010. I earned my Bachelor’s degree in Mathematics Education from Saint Leo University in 2013. I am currently working on my Master’s Degree through the Vermont Mathematics Initiative at Southern New Hampshire University.

Education

BS Mathematics
Carnegie Mellon University

Educator Statistics

Numerade tutor for 4 years
811 Students Helped

Topics Covered

The Power of Algebraic Language: Unlocking Mathematical Potential
Mastering Equations and Inequalities: Your Guide to Mathematical Success
Understanding Complex Numbers: A Comprehensive Guide
Functions
Discovering Conic Sections: An Introduction
Solving Systems of Equations and Inequalities: A Comprehensive Guide
Graph Linear Functions
Write Linear Equations
Mastering Quadratic Functions: Unlocking Their Power
Mastering Exponents and Polynomials: A Comprehensive Guide
Mastering Polynomials: Essential Tips and Tricks | [Brand Name]
Mastering Exponential and Logarithmic Functions: Your Ultimate Guide
Rational Functions: Understanding Their Properties and Applications
Master Trigonometry with Our Comprehensive Guide

Elizabeth's Textbook Answer Videos

01:51
Intermediate Algebra

Complete each table of solutions and use the results to graph the equation.
$y=x-2$
(TABLE CAN'T COPY)

Chapter 2: Graphs, Equations of Lines, and Functions
Section 2: Graphing Linear Equations in Two Variables
Elizabeth Waters
01:10
Intermediate Algebra

Fill in the blanks.
The ________ of $\frac{5}{9}$ is $\frac{9}{5}$

Chapter 3: Systems of Equations
Section 6: Problem Solving Using Systems of Two Equations
Elizabeth Waters
01:50
Intermediate Algebra

Solve each equation.
$$
a^{3}-2 a^{2}-16 a+32=0
$$

Chapter 5: Exponents, Polynomials, and Polynomial Functions
Section 9: Solving Equations by Factoring
Elizabeth Waters
01:01
Intermediate Algebra

Solve each equation.
$$
15 x^{2}=7 x
$$

Chapter 5: Exponents, Polynomials, and Polynomial Functions
Section 9: Solving Equations by Factoring
Elizabeth Waters
01:28
Intermediate Algebra

Solve each equation.
$$
y^{3}+22 y^{2}=-121 y
$$

Chapter 5: Exponents, Polynomials, and Polynomial Functions
Section 9: Solving Equations by Factoring
Elizabeth Waters
1 2 3 4 5 ... 10

Elizabeth's Quick Ask Videos

01:01
Algebra

Milla teaches a college math course and would like to compare results from her two classes on the first unit test. Class A had a mean score of 68.4 and a standard deviation of 6.2. Class B had a mean score of 74.3 and a standard deviation of 6.6. Milla would like the classes to be as consistent as possible. Which class had more variability on the first unit test?

Elizabeth Waters
00:42
Algebra

The average time for a student to complete this quiz is 24
minutes with a standard deviation of 2 minutes. What is the range
of minutes needed for the middle 68% of quiz times? Complete the
sentence below.
The middle 68% of all people finish the quiz somewhere between
____and ____ minutes.

Elizabeth Waters
00:32
Algebra

When given an IV drip, one single dose is 200 mg of itraconazole
per 30 mL of solution. What is the unit rate per mL? (Round your
answer to the nearest hundredth.)

Elizabeth Waters
02:14
Algebra

In the formula for average rate of change, what does the triangle in front of the x and y stand for?
a. interval between x and y
b. delta notation - change in y over change in x
c. initial value of x and y
d. the percent rate of change of y and x

Elizabeth Waters
02:48
Calculus 1 / AB

Maximizing Profits
An apartment complex has 100 two-bedroom units. The monthly profit (in dollars) realized from renting out x apartment units is given by the following function.
P(x) = -10x^2 + 1,620x - 40,000
To maximize the monthly rental profit, how many units should be rented out?
units
What is the maximum monthly profit (in dollars) realizable?
$

Elizabeth Waters
02:42
Algebra

find two numbers whose sum is -1 and whose product is -72

Elizabeth Waters
1 2 3 4 5 ... 124