KEYSTONE REVIEW - Algebra 1 (Module 1)

Front

Simplify: 2(13 - |-11 + 2|) - |10 - 7|^2

Back

-1

Front

Factor the following expression completely: 4x^2 – 4

Back

4(x + 1)(x - 1)

Front

Marco wants to buy as many tickets as he can afford. If tickets cost $2.50 each and he has $14.75 to spend, how many tickets can he buy?

Back

5 tickets

Front

Denise has $365 in her saving account. She wants to save at least $635. Write and solve an inequality to determine how much more money Denise must save to reach her goal. Let d represent the amount of money in dollars Denise must save to reach her goal.

Back

d + 365 ≥ 635; d ≥ 270

Front

Write the inequality shown by the graph.

Back

(Example: x < 5 or x ≥ 3)

Front

What is the absolute value of a number?

Back

The distance of a number from zero on the number line, always non-negative.

Front

What is the distributive property?

Back

a(b + c) = ab + ac; it allows you to multiply a single term by two or more terms inside a set of parentheses.

Front

What is a quadratic expression?

Back

An expression of the form ax^2 + bx + c, where a, b, and c are constants.

Front

What does it mean to factor an expression?

Back

To express it as a product of its factors.

Front

What is an inequality?

Back

A mathematical statement that compares two expressions using <, >, ≤, or ≥.