Constants Coefficients Word Problems

In the expression 9-5n,, what is the constant? GIVE ONLY ONE

In the expression 9-5n,, what is the coefficient?

Working alone at a constant rate, Carla can wash a load of dishes in 42 minutes. If Carla works together with Dan and they both work at constant rates, it takes them 28 minutes to wash the same load of dishes. Working at a constant rate, how long would it take Dan to wash the load of dishes by himself?

• 50 minutes

• 1 hour

• 84 minutes

• 2 hours

Nicole can pick forty bushels of apples in 15 hours. Carlos can pick the same amount in 11 hours. How long would it take them if they worked together?

• 6.35 hours

• 6.17 hours

• 6.09 hours

• 6 hours

A cell phone company charges $40 per month plus a $35 activation fee. What is the expression for the total cost for m months?

• 40 - 35m

• 40m - 35

• 40m + 35

• 40 + 35

The 3 in 3xy is called the _______

• constant

• index

• expression

• coefficient

What does the number 5 represent in the following expression:

2x + 5

• A. constant

• B. coefficient

• C. variable

• D. tacos

Real numbers in an expression are called ___________

• constants

• terms

• coefficient

• numerator

Orion has 3 more than twice as many dogs d as Tawni. Write an expression for how many dogs Orion has.

• 3d + 2

• d + 2

• 3 + d

• 2d + 3

• 2d - 3d

Tickets to the aquarium cost $27 per person. Write an expression to represent the total cost of tickets for a group of people. Let n represent the number of people in the group.

• 27 + n

• 27n

• 27/n

• 27 - n