Algebra Part 1 - Review 1

Front

What is the order of operations in mathematics?

Back

The order of operations is a set of rules that determines the sequence in which calculations are performed. The acronym PEMDAS helps remember the order: Parentheses, Exponents, Multiplication and Division (from left to right), Addition and Subtraction (from left to right).

Front

What is the result of 15 + 7 × 2 – 11 + 35?

Back

53

Front

What does adding a negative number do to a positive number?

Back

Adding a negative number is the same as subtracting the absolute value of that number from the positive number.

Front

What is the result of 10 + (-4)?

Back

6

Front

What is the result of -9 + (-5)?

Back

-14

Front

What does it mean to subtract a negative number?

Back

Subtracting a negative number is the same as adding the absolute value of that number.

Front

What is the result of -8 - (-4)?

Back

-4

Front

What is a variable in algebra?

Back

A variable is a symbol, often a letter, that represents a number in mathematical expressions or equations.

Front

What does the expression 4(3x + __) = 12x + 16 mean?

Back

It means that when you distribute 4 to both terms inside the parentheses, you should get 12x + 16.

Front

What is the value that makes 4(3x + __) = 12x + 16 true?

Back

4.