Evaluating, Simplifying and Factor Expressions

Front

What is the process of combining like terms in an expression?

Back

Combining like terms involves adding or subtracting terms that have the same variable raised to the same power. For example, in the expression 5a + 2a, you combine the like terms to get 7a.

Tags

CCSS.7.EE.A.1

Front

Simplify the expression: 5a + 2b + 6a + 4b

Back

11a + 6b

Tags

CCSS.7.EE.A.1

Front

What does it mean to evaluate an expression?

Back

Evaluating an expression means substituting the values of the variables into the expression and performing the arithmetic operations to find a numerical result.

Tags

CCSS.6.EE.A.2C

Front

Evaluate the expression 4x + 5y if x = 2 and y = -3.

Back

-7

Tags

CCSS.6.EE.A.2C

Front

What is a variable in algebra?

Back

A variable is a symbol, often a letter, that represents an unknown value in mathematical expressions and equations.

Tags

CCSS.6.EE.A.2B

Front

What is the difference between an expression and an equation?

Back

An expression is a combination of numbers, variables, and operations without an equality sign, while an equation states that two expressions are equal, using an equality sign.

Front

Simplify the expression: 7d + 5 + 6d - 2

Back

13d + 3

Tags

CCSS.7.EE.A.1

Front

What is a coefficient in an algebraic expression?

Back

A coefficient is a numerical factor that multiplies a variable in an expression. For example, in 4a, 4 is the coefficient of a.

Tags

CCSS.6.EE.A.2B

Front

Write an expression for a pizza place that charges $6 per medium pizza and a $4 delivery fee to have p medium pizzas delivered.

Back

6p + 4

Tags

CCSS.HSA-SSE.A.1A

Front

What are like terms?

Back

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

Tags

CCSS.6.EE.A.2B