Algebra DCA Review

Front

Simplify the expression: -8(2a - 4b) - (-3a + 2b)

Back

-13a + 30b

Front

How many terms are in the expression: 4.5a - 3b + 9?

Back

3

Front

Determine the number of solutions for the equation: 1.1x + 5x = 3.2 - 3.2x + 6.1

Back

one solution

Front

Translate the phrase: The sum of seven and twice a number is negative thirteen.

Back

7 + 2x = -13

Front

Identify the term: -3 in the expression 18x - 3y - 4.

Back

coefficient

Front

What is a variable in algebra?

Back

A symbol used to represent an unknown value, often denoted by letters like x or y.

Front

Define a constant in an algebraic expression.

Back

A fixed value that does not change, such as -3 in the expression 18x - 3y - 4.

Front

What is a coefficient?

Back

A numerical factor in a term, such as 18 in 18x.

Front

What does it mean to simplify an expression?

Back

To reduce it to its simplest form by combining like terms and performing operations.

Front

What is an equation?

Back

A mathematical statement that asserts the equality of two expressions.