Algebra 1A Final REVIEW

Front

What is an irrational number?

Back

An irrational number is a number that cannot be expressed as a fraction of two integers. Its decimal representation is non-repeating and non-terminating.

Front

Solve the equation: -8(x - 20) = -96

Back

x = 32

Front

Write an algebraic expression for: Three less than four times a number.

Back

4x - 3

Front

What is the result of multiplying (-3r - 2) and (8r + 4)?

Back

-24r² - 28r - 8

Front

What is the domain of a function?

Back

The domain of a function is the set of all possible input values (x-values) for which the function is defined.

Front

What is the range of a function?

Back

The range of a function is the set of all possible output values (y-values) that the function can produce.

Front

What does it mean to simplify an expression?

Back

To simplify an expression means to reduce it to its simplest form by combining like terms and eliminating unnecessary parentheses.

Front

What is the distributive property?

Back

The distributive property states that a(b + c) = ab + ac, meaning you can distribute a factor across a sum.

Front

What is a linear equation?

Back

A linear equation is an equation that makes a straight line when graphed. It has the form y = mx + b, where m is the slope and b is the y-intercept.

Front

What is a variable in algebra?

Back

A variable is a symbol, often a letter, that represents one or more numbers. It is used to express general mathematical relationships.