S2_113023

What is the y-coordinate of the point at which the graphs of the equations intersect?

• 3

• -1

• 1

• -3

Name the pair of coordinates where the two lines in problem #1 intersect.

What is the x value in the solution to this system of equations?

Mathematical Equivalence

ON

The system of equations below describes the relationship between the number of adult tickets, a, and student tickets, s, sold at a school play. What is the solution to this system of equations?

(a)  

• 24 adult and 60 student tickets

• 32 adult and 52 student tickets

• 52 adult and 32 student tickets

• 60 adult and 24 student tickets

A college student completed some courses worth 3 credits and some courses worth 4 credits. The student earned a total of 59 credits after completing 18 courses. The situation is represented by the following system of equations. How many courses worth 3 credits did the student complete?

(a)  

• 13
• 5

• 20

• 39

Lorena purchases 2 doughnuts and 3 cookies at a doughnut shop and is charged $5.55. Gabriela

purchases 5 doughnuts and 2 cookies at the same shop for $7.00. All the doughnuts have the same price, and all the cookies have the same price. What is the cost, in dollars, of each doughnut? What is the cost, in dollars, of each doughnut?

• $0.80

• $0.90

• $1.00

• $1.25

Naomi spent all day baking pies and cookie cakes for a party. Each pie had to bake for 45 minutes, and each cookie cake had to bake for 20 minutes. All together, Naomi baked 11 desserts, one at a time, for a total of 5 hours and 20 minutes. The system of equations below represents these facts. What is the solution to this system?

Referring back to #7, how many pies did Naomi bake?

Mathematical Equivalence

OFF

How many unique solutions are there to the system of equations below?

• Zero

• One

• Two

• Infinite

Solve the following system of equations.​ (a)  

• Infinite solutions
• No Solution
• (4,3)
• (-2,11)