Fall 2025 Algebra 1 Exam Study Guide

These flashcards cover key concepts and study materials for the Fall 2025 Algebra 1 semester exam.

What materials should students bring for the exam on January 13, 2025?

A blue or black pen or pencil and a scientific or basic calculator (optional).

What chapters in the Glencoe Algebra 1 textbook are covered in the exam?

Chapter 2, Chapter 4, Chapter 5, Chapter 7, and Chapter 8.

What key concept must students understand about linear equations?

Students should understand that 'is' and 'is equal to' mean equals.

How can students solve linear equations?

By combining like terms, moving variables to one side, and constants to the other.

What is the piecewise definition of absolute value?

|x| = x if x ≥ 0; |x| = –x if x < 0.

What does a ratio compare?

Two numbers or quantities by division.

What denotes a proportion?

A statement that two ratios are equal.

What graphing symbols are used for inequalities?

Open circles for < and >; closed circles for ≤ and ≥.

How do you write numbers in scientific notation?

By expressing them as a product of a number between 1 and 10 and a power of ten.

What are the two special products for polynomials?

(a + b)(a − b) = a² − b²; (a + b)² = a² + 2ab + b².