William Greiner

Numerade Educator
Math Teacher

Biography

I teach middle and high school math classes at Peak Virtual Academy.

Peak is a blended school.

Education

William has not yet added their education credentials.

Educator Statistics

Numerade tutor for 6 years
34 Students Helped

Topics Covered

Find the Whole Range of Numbers - Input and Output
Mastering Fractions and Mixed Numbers: A Comprehensive Guide
Mastering Decimals: Tips and Tricks for Easy Computation
Mastering Equations and Inequalities: Your Guide to Mathematical Success
Solving Systems of Equations and Inequalities: A Comprehensive Guide

William's Textbook Answer Videos

03:15
Algebra 2 and Trigonometry

Rationalize the denominator and write each fraction in simplest form. All variables represent positive numbers.
$\frac{1}{1+\sqrt{3}}$

Chapter 3: REAL NUMBERS AND RADICALS
Section 7: Rationalizing a Denominator
William Greiner
00:27
Algebra 1: Concepts and Skills

Explain why the equation $x+|-2|=5$ is not an absolute-value equation.

Chapter 6: Solving and Graphing Linear Inequalities
Section 6: Solving Absolute-Value Equations
William Greiner
00:23
Algebra 1: Concepts and Skills

Tell how many solutions the equation has.
$$
|x|=17
$$

Chapter 6: Solving and Graphing Linear Inequalities
Section 6: Solving Absolute-Value Equations
William Greiner
00:24
Algebra 1: Concepts and Skills

Tell how many solutions the equation has.
$$
|x-1|=-3
$$

Chapter 6: Solving and Graphing Linear Inequalities
Section 6: Solving Absolute-Value Equations
William Greiner
00:28
Algebra 1: Concepts and Skills

Write the two linear equations you would use to solve the absolute-value equation.
$$
|x-4|=10
$$

Chapter 6: Solving and Graphing Linear Inequalities
Section 6: Solving Absolute-Value Equations
William Greiner
00:36
Algebra 1: Concepts and Skills

Write the two linear equations you would use to solve the absolute-value equation.
$$
|3 x+2|-1=5
$$

Chapter 6: Solving and Graphing Linear Inequalities
Section 6: Solving Absolute-Value Equations
William Greiner
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