Algebra I Practice Test Review

These flashcards cover key vocabulary terms found in the Algebra I Practice Test, essential for understanding test content.

Zeros of a Function

The values of x for which f(x) = 0.

Linear Inequality

An inequality that involves linear expressions, typically in the form y < mx + b or similar.

Coordinate Plane

A two-dimensional number line formed by the intersection of a vertical line called the y-axis and a horizontal line called the x-axis.

Rational Number

Any number that can be expressed as the quotient or fraction p/q of two integers.

Irrational Number

A number that cannot be expressed as a simple fraction, such as the square root of 2 or pi.

Quadratic Equation

An equation of the form ax^2 + bx + c = 0 where a, b, and c are constants.

Absolute Value Function

A function that describes the distance of a number from zero on the real number line, denoted |x|.

Perimeter of a Rectangle

Calculated with the formula P = 2l + 2w, where l is the length and w is the width.

Projectile Motion

The motion of an object that is projected into the air and is subject only to the force of gravity.

Average Rate of Change

The change in value divided by the change in time, indicating how much a quantity changes over an interval.

Area of a Circle

The space contained within the circle, calculated by A = πr^2 where r is the radius.