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Algebra I, Credit Recovery, Part 2 (MTH126B)

Algebra I, Credit Recovery, Part 2 (MTH126B)

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Quick Overview

instruction in basic writing skills, introduces academic tools, and demonstrates effective study skills.
Teacher-Led Course (one-time payment)   $425.00

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Course Overview

Students are able to gain credit if they have previously completed this course but did not successfully earn credit. For each unit, students take a diagnostic test that assesses their current knowledge of fundamental content. The results of these tests help students create individualized study plans. This is the second semester of MTH126.

In this course, students review the tools of algebra. Topics include the structure and properties of real numbers; operations with integers and other rational numbers; square roots and irrational numbers; linear equations; ratios, proportions, and percentages; the Pythagorean Theorem; polynomials; and logic and reasoning.



Algebra I B, Unit 1: Relations and Functions

A solar cell is a little machine that takes in solar energy and puts out electricity. A mathematical function is a machine that takes in a number as an input and produces another number as an output. There are many kinds of functions. Some have graphs that look like lines, while others have graphs that curve like a parabola. Functions can take other forms as well. Not every function has a graph that looks like a line or a parabola. Not every function has an equation. The important thing to remember is that any valid input into a function, results in a single result out of it.

  • Semester Introduction
  • Foundations
  • Relations
  • Functions
  • Function Equations 1
  • Function Equations 2
  • Absolute Value Functions
  • Direct Linear Variation 1
  • Direct Linear Variation 2
  • Quadratic Variation
  • Inverse Variation
  • Unit Review
  • Unit Test

Algebra I B, Unit 2: Rationals, Irrationals, and Radicals

Are rational numbers very levelheaded? Are irrational numbers hard to reason with? Not really, but rational and irrational numbers have things in common and things that make them different.

  • Foundations
  • Rational Numbers
  • Terminating and Repeating Numbers
  • Square Roots 1
  • Square Roots 2
  • Irrational Numbers
  • Estimating Square Roots
  • Radicals with Variables 1
  • Radicals with Variables 2
  • Using Square Roots to Solve Equations
  • The Pythagorean Theorem
  • Unit Review
  • Unit Test

Unit 3: Working with Polynomials

Just as a train is built from linking railcars together, a polynomial is built by bringing terms together and linking them with plus or minus signs. Basic operations on polynomials work the same way as adding, subtracting, multiplying, and dividing numbers.

  • Foundations
  • Overview of Polynomials
  • Adding and Subtracting Polynomials
  • Multiplying Monomials
  • Multiplying Polynomials by Monomials
  • Multiplying Polynomials
  • The FOIL Method
  • Unit Review
  • Unit Test

Unit 4: Factoring Polynomials

A polynomial is an expression that has variables that represent numbers. A number can be factored, but what about a polynomial? Sometimes yes and sometimes no. Finding ways to write a polynomial as a product of factors can be quite useful.

  • Foundations
  • Factoring Integers
  • Properties of Exponents
  • Dividing Monomials
  • Dividing Polynomials by Monomials
  • Common Factors of Polynomials
  • Factoring Perfect Squares
  • Factoring Differences of Squares 1
  • Factoring Differences of Squares 2
  • Factoring Quadratic Trinomials
  • Finding Roots of Polynomials
  • Unit Review
  • Unit Test

Unit 5: Quadratic Equations

Solving equations can help answer many kinds of problems. Linear equations usually have one solution, but what about quadratic equations? How many solutions can a quadratic equation have and what do the solutions look like?

  • Foundations
  • Solving Perfect Square Equations
  • Completing the Square
  • The Quadratic Formula
  • The Discriminant
  • Solving Quadratic Equations
  • Equations and Graphs: Roots and Intercepts
  • Applications: Area Problems
  • Applications: Projectile Motion
  • Unit Review
  • Unit Test

Unit 6: Rational Expressions

A fraction always has a number in the numerator and in the denominator. However, those numbers can actually be expressions that represent numbers, which means you can do all sorts of interesting things can happen with fractions. Fractions with variable expressions in the numerator and denominator can help solve many kinds of problems.

  • Foundations
  • Simplifying Rational Expressions
  • Multiplying Rational Expressions
  • Dividing Rational Expressions
  • Adding and Subtracting Rational Expressions 1
  • Adding and Subtracting Rational Expressions 2
  • Unit Review
  • Unit Test

Unit 7: Logic and Reasoning

Professionals use logical reasoning in a variety of ways. Just as lawyers use logical reasoning to formulate convincing arguments, mathematicians use logical reasoning to formulate and prove theorems.

  • Foundations
  • Hypothesis and Conclusion
  • Reasoning and Arguments
  • Forms of Conditionals
  • Inductive and Deductive Reasoning
  • Analyzing and Writing Proofs
  • Counterexample
  • Unit Review
  • Unit Test

Unit 8: Semester Review and Test

  • Semester Review
  • Semester Test


Additional Information

Course Length 4 Months
Prerequisites N/A
Course Materials No
Course Start Date

Courses Taught by a K12 Teacher

Courses with a teacher have designated start dates throughout Fall, Spring, and Summer. Full-year courses last 10 months and semester courses last 4 months. Courses are taught by teachers in K12 International Academy. For details on start dates, click here.

Teacher Assisted Yes, this course is taught by a K12 International Academy teacher. If you are looking for a teacher-supported option with additional flexibility and year-round start dates, click here to learn about the Keystone School, another K12 online private schooling option.
  1. good course to study
    review by ashok on 3/18/2016

    good course to study

To use this course, you'll need a computer with an Internet connection.  Some courses require additional free software programs, which you can download from the Internet.

Hardware and Browsers (Minimum Recommendations)

Windows OS

  • CPU: 1.8 GHz or faster processor (or equivalent)

  • RAM: 1GB of RAM

  • Browser: Microsoft Internet Explorer 9.0 or higher, Mozilla Firefox 10.0 versions or higher, Chrome 17.0 or higher

  • At this time our users are encouraged not to upgrade to Windows 10 or Edge (the new browser)


Mac OS

  • CPU: PowerPC G4 1 GHz or faster processor; Intel Core Duo 1.83 GHz or faster processor

  • RAM: 1GB of RAM

  • Browser: Firefox 10.0 versions or higher, Chrome 17.0 or higher (Safari is not supported!)

Internet Connections

It is highly recommended that a broadband connection be used instead of dial up.