## Master the GED: Math Review--Algebra and Descriptive Statistics: Chapter 13 of 16Peterson's Master the GED: Math Review: Algebra and Descriptive Statistics offers readers an in-depth review of algebra and descriptive statistics for the GED Mathematics Test, Parts I and II. Readers who need additional practice for the Mathematics Test, will benefit greatly from the lessons and practice questions on: - Linear equations in one variable
- Linear equations in two variables
- Linear equations that can't be solved
- Solving algebraic inequalities
- Factorable quadratic expressions (one variable)
- Factorable quadratic expressions (two variables)
- Functions
- Measures of central tendency (mean, median, and range)
- Arithmetic series
- Probability
- Word problems involving formulas
Master the GED: Math Review: Algebra and Descriptive Statistics is part of Master the GED 2011, which offers readers 3 full-length practice tests and in-depth subject review for each of the GED tests-Language Arts, Writing (Parts I and II); Language Arts, Reading; Social Studies (including Canadian history and government); Science; and Mathematics (Parts I and II)-as well as top test-taking tips to score high on the GED. For additional math review, see Master the GED: Math Review: Numbers and Master the GED: Math Review: Geometry. |

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### Contents

1 | |

LINEAR EQUATIONS IN TWO VARIABLES | 6 |

LINEAR EQUATIONS THAT CANT BE SOLVED | 11 |

SOLVING ALGEBRAIC INEQUALITIES | 12 |

FACTORABLE QUADRATIC EXPRESSIONS ONE VARIABLE | 14 |

FACTORABLE QUADRATIC EXPRESSIONS TWO VARIABLES | 18 |

FUNCTIONS | 19 |

MEASURES OF CENTRAL TENDENCY MEAN MEDIAN AND RANGE | 21 |

ARITHMETIC SERIES | 23 |

PROBABILITY | 24 |

WORD PROBLEMS INVOLVING FORMULAS | 28 |

SUMMING IT UP | 32 |

### Common terms and phrases

addition-subtraction method Algebra and Descriptive algebraic expression answer choice apply the FOIL arithmetic series binomial shell blue marbles calculate interest earned central tendency CHALLENGING cherry candy coefficient correct answer cross-multiplication Descriptive Statistics Determining Probability dividing both sides EASIER eliminate equal evenly spaced event occurring factorable quadratic equation FACTORABLE QUADRATIC EXPRESSIONS find the value FOIL method fraction function Here’s a simple integers isolates x left side linear equations mean and median mean simple average middle terms miles per hour missing number multiply each term multiply or divide multiplying both sides number of positive number of terms odd integers pairs of socks pairs that result probability of rolling probability of selecting quadratic form quantity with unequal radical sign randomly select real number rewrite savings account second equation second term series of numbers simple interest solve a system SOLVING ALGEBRAIC INEQUALITIES substitution method unequal quantities word problems x=,or The correct