Intro to Algebra Unit 1 Flashcard Review

Front

What is the product of -5 and -5?

Back

25

Front

Calculate (4 x 8) - (9 + 7).

Back

16

Front

What is 5 x 4 + 6?

Back

26

Front

Solve for w: w - (-2) = 6.

Back

w = 4

Front

What is the difference in temperature when it falls from 3 degrees Celsius to -4 degrees Celsius?

Back

7 degrees Celsius

Front

What is the definition of a variable in algebra?

Back

A symbol used to represent an unknown value.

Front

What does it mean to solve an equation?

Back

To find the value of the variable that makes the equation true.

Front

What is the order of operations in mathematics?

Back

Parentheses, Exponents, Multiplication and Division (from left to right), Addition and Subtraction (from left to right).

Front

What is an expression in algebra?

Back

A combination of numbers, variables, and operators without an equality sign.

Front

What is the difference between an equation and an expression?

Back

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