Packet 1 Algebraic Expressions: Key Terms and Definitions

Which of the following best describes a "Variable" in algebra?

• A symbol, usually a letter, that represents a number

• A number that never changes

• A mathematical operation

• A type of equation

Tags

CCSS.6.EE.A.2B

Which of the following is the best definition of a "Term" in algebra?

• A single number or the product of a number and one or more variables

• A number that is always positive

• A mathematical operation

• A type of equation

Tags

CCSS.6.EE.A.2B

Which of the following best describes a "Coefficient"?

• A number multiplied by a variable in a term

• A number that is always positive

• A symbol that represents an unknown value

• A type of equation

Tags

CCSS.6.EE.A.2B

What is a "Monomial"?

• An algebraic expression with only one term

• An algebraic expression with two terms

• An algebraic expression with three terms

• An algebraic expression with four terms

Which of the following best defines a "Polynomial"?

• An algebraic expression with one or more terms

• An algebraic expression with only one term

• An algebraic expression with only two terms

• An algebraic expression with only three terms

Which of the following expressions is a polynomial?

• 4x² + 8x + 1

• 9x² + 2x + 1/x

• 2⁴ + 3³ + 4⁴

• 2x² + 5x² - x + 8

What is the degree of the polynomial 9x⁴ + 2x - x² + 1?

• 1

• 2

• 4

• 9

What is the degree of the polynomial 5x – 3x² – 1 + 7x³?

• 1

• 2

• 3

• 5

When 3x³ + 7x – 6 + 2x² is written in standard form, the leading coefficient is:

• 7

• 2

• 3

• -6

Students were asked to write 2x³ + 3x + 4x² + 1 in standard form. Four student responses are shown below. Alexa: 4x² + 3x + 2x³ + 1 Carol: 2x³ + 3x + 4x² + 1 Ryan: 2x³ + 4x² + 3x + 1 Eric: 1 + 2x³ + 3x + 4x² Which student’s response is correct?

• Alexa

• Carol

• Ryan

• Eric