6.PFA.3a- Algebra Vocabulary Formative

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What is a Coefficient?

Back

A coefficient is a numerical factor in a term of an algebraic expression. For example, in the term 3x, 3 is the coefficient.

Tags

CCSS.6.EE.A.2B

Front

What is a Variable?

Back

A variable is a symbol used to represent an unknown value. Common variables include letters like x, y, t, and r.

Tags

CCSS.6.EE.A.2B

Front

What is an Algebraic Expression?

Back

An algebraic expression is a combination of numbers, variables, and operations. For example, 4x + 2 is an algebraic expression.

Tags

CCSS.6.EE.A.2B

Front

What is a Constant?

Back

A constant is a fixed value that does not change. For example, in the expression 3x + 5, the number 5 is a constant.

Tags

CCSS.6.EE.A.2B

Front

How many terms are in the expression 4^2 + 2x - 7?

Back

There are 3 terms in the expression: 4^2, 2x, and -7.

Tags

CCSS.6.EE.A.2B

Front

What is the value of the expression 2x + 3 when x = 4?

Back

When x = 4, the expression 2x + 3 equals 2(4) + 3 = 8 + 3 = 11.

Tags

CCSS.6.EE.A.2C

Front

What does it mean to evaluate an expression?

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To evaluate an expression means to calculate its value by substituting the variables with specific numbers.

Tags

CCSS.6.EE.A.2C

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, using an equality sign.

Front

What is a term in algebra?

Back

A term is a single mathematical expression that can be a number, a variable, or a combination of both multiplied together.

Tags

CCSS.6.EE.A.2B

Front

What is the degree of the polynomial 3x^2 + 2x - 5?

Back

The degree of the polynomial is the highest exponent of the variable, which is 2 in this case.