Algebra Intro

Front

Is the following an expression or equation? 9x²+16x-25

Back

Expression

Front

A letter in an expression or an equation that represents a number is called a ___________.

Back

variable

Front

The number in front of a variable is called the __________

Back

coefficient

Front

A number on its own is known as a _______________.

Back

Constant

Front

4 is the __________ of 4n.

Back

coefficient

Front

What is the difference between an expression and an equation?

Back

An expression does not have an equality sign, while an equation does.

Front

What is a polynomial?

Back

A polynomial is an expression that consists of variables, coefficients, and non-negative integer exponents.

Front

What is the degree of the polynomial 5x^3 + 2x^2 - x + 7?

Back

The degree is 3, which is the highest exponent of the variable.

Front

What does it mean for a variable to be 'isolated' in an equation?

Back

It means that the variable is alone on one side of the equation, typically to solve for its value.

Front

What is the standard form of a linear equation?

Back

The standard form is Ax + By = C, where A, B, and C are integers.