Analyzing Graphs — Unit test Answers

On a coordinate plane, 2 straight lines are shown. The first solid line has a positive slope and goes through (0, negative 2) and (2, 0). Everything to the left of the line is shaded. The second dashed line has a negative slope and goes through (0, 2) and (4, 0). Everything below and to the left of the line is shaded.

A grocery bag contains x apples, each weighing of a pound, and y pounds of grapes. The total weight of the grocery bag is less than 5 pounds. Which graph represents the possible numbers of apples and pounds of grapes that can be in the bag?

Which graph shows the solution to the system of linear inequalities?y –3x + 1

A restaurant wishes to have at least one server for every 12 tables. Each of the tables in the restaurant seats four guests. If x is the number of servers and y is the number of guests, which inequality represents the restaurant’s desired relationship of the number of servers to the number of guests?

Jeremy works two jobs. He makes $8/hr working at a deli and $12/hr working for a landscaper. Let x represent the number of hours he works at the deli, and let y represent the number of hours he works for the landscaper. What do the solutions of the inequality represent?