Unit 7 Review

Which ordered pair is in the solution set of the system of inequalities below? (see picture on paper)

• (3,1)

• (2,0)

• (-4,10)

• (0,4)

Which ordered pair is in the solution set of the system of inequalities shown below? (see picture on paper)

• (1,2)

• (0,-2)

• (4,2)

• (2,2)

At a college bookstore, Carla purchased a math textbook and a novel that cost a total of $54, not including tax. If the price of the math textbook, x, is $8 more than 3 times the price of the novel, y, what is the price of the each item?​

(TYPE IN BOTH NUMBERS)

A chef purchases a total of 10 onions and tomatoes. Each tomato costs $1.50, and each onion costs $0.75. The chef spent a total of $12.75. How many onions and tomatoes did the chef purchase?

Mrs. Travis wants to have a clown deliver balloons to her secretary's office. Clowns-R-Fun charges $1.25 per balloon and $6 for delivery. Singing Balloons charges $1.95 per balloon and $2 for delivery. Write a system of equations that can be used to represent this situation. (TYPE IN BOTH EQUATIONS)

The graphs of y=1 and y=-2/5x-1 are shown on the graph. Which point would be in the solution set of the inequalities represented by y<1 and y>=-2/5x-1?

Two care rental services have different prices. At Rent-a-Car you pay $50 plus &0.75 per mile. At Ace Rentals you pay $35 plus $1.50 per mile. Write a system of equations to represent this situation. (TYPE IN BOTH EQUATIONS)

Write a system of equations that are represented by the tables below. (see paper, use y=mx+b, TYPE IN BOTH EQUATIONS)

Which graph matches the system of inequalities? (SEE PAPER FOR ANSWER CHOICES)

y > 3

y < 2x - 1

• Graph a

• Graph b

• Graph c

• Graph d

Which system of equations can be represented by the graph?

• y-x=2

• y+x=-2

• y-x=-2

• x-4y=12

• x+4y=12