Variables and Expressions Algebra

Identify the terms, coefficients, and constants of the expression. 6q+1

• Terms: 6q, 1 Coefficient: 6 Constant: 1

• Terms: 6 Coefficient: 1 Constant: q

• Terms: 6q Coefficients: 6, 1 Constant: 1

• Terms: 1 Coefficient: 6 Constant: 1, q

Identify the terms, coefficients, and constants of the expression. 3r²+4r+8

• Terms: 3r², 4r, 8    Coefficient: 3, 4   Constant 8, 3

• Terms: 3r², 4r, 8    Coefficient: r²     Constant: 8 

• Terms: 3r²     Coefficient: 3, 4, r²     Constant: 8

• Terms: 3r², 4r, 8   Coefficient: 3, 4    Constant: 8

Evaluate m² if m = 5

• 10

• 25

• 15

• 20

Simplify the expression: 7v + 2 + 12 + 2v

• 23

• 23v

• 9 + 14v

• 9v + 14

Write an expression using a variable to represent the expression

Eleven decreased by k ​ (a)  

• k-11

• k/11

• 11-k

• k+11

a symbol for an unknown value; usually a letter (such as a, x, or y) is the symbol used

• constant

• variable

• coefficient

• term

What variable typically represents the domain?

• x

• y

A variable is a letter or symbol used to represent an unknown number.

• True

• False

Write an expression using a variable to represent the expression​ (a)  

g less than 8

• g-8

• g/8

• 8g

• 8+g

• 8-g

What is the definition of a variable?

• A letter or symbol that represents an unknown quantity

• The little number or letter used to raise to a power

• The number in front of a variable

• The number with no variable