Unit 4 Retest - Math 6

Front

What is a constant in an algebraic expression?

Back

A constant is a fixed value that does not change. In the expression 4(x - 2) - 12, the constant is -12.

Front

What is a variable in an algebraic expression?

Back

A variable is a symbol used to represent an unknown value. In the expression 16 + 2x - 7, the variable is x.

Front

What is a coefficient in an algebraic expression?

Back

A coefficient is a numerical factor that multiplies a variable. In the expression 4x, the coefficient is 4.

Front

What is an algebraic expression?

Back

An algebraic expression is a combination of numbers, variables, and operations. For example, 2x + 3 is an algebraic expression.

Front

Translate 'three less than twice a number x' into an algebraic expression.

Back

2x - 3

Front

Translate '57 more than 3 times Kate's score' into an algebraic expression using k for Kate's score.

Back

3k + 57

Front

Translate '8 less than m squared' into an algebraic expression.

Back

m² - 8

Front

What is the difference between an expression and an equation?

Back

An expression is a combination of terms without an equality sign, while an equation states that two expressions are equal.

Front

What does it mean to simplify an algebraic expression?

Back

To simplify an algebraic expression means to combine like terms and reduce it to its simplest form.

Front

What are like terms in algebra?

Back

Like terms are terms that have the same variable raised to the same power. For example, 3x and 5x are like terms.