2.1 Modeling With Expressions Answer Key

Question: Expression

(Expresión)

Answer: mathematical phrase that contains operations, numbers, and/or variables; it is composed of one or more terms

Question: Algebraic Expression

(Expresión Algebraica)

Answer: mathematical expression containing at least one variable (ex. 2x + 12 = 36)

Question: Numerical Expression

(Expresión Numérica)

Answer: mathematical expression containing only numbers, no variables

Question: Term

(Término)

Answer: parts in an expression that are separated by plus or minus signs (ex. in the expression 3x - 6y + 9z, there are three terms: 3x, 6y, and 9z); terms can be variables and coefficients or constants (numbers by themselves)

Question: Coefficient

(Coeficiente)

Answer: the numbers that are directly attached to variables (ex. in the equation 5x + 3y, 5 and 3 are the coefficients)

Donation Page

Support Our Work

Do you appreciate the value this website provides? If so, please consider donating to help keep it running. Your donation will go a long way in helping us continue to provide the same quality of content and services. Every bit helps, and your support is greatly appreciated. Thank you for your generosity.