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HorrorEscape room

Systems of Equations

"A ghost is trapped in this house, doomed to wander it until it regains all its memories.To help it find them, you must first overcome all the challenges and collect the missing objects in your inventory.Explore the house and try not to gettrapped yourself…"

Introduction

Inventory

Explore the house

Inventory open...

It is closed...

It is too dark...

$4.50

$7.25

$9.75

Three families went to see a movie. The first family paid $26.25 for 2 adultand 1 student ticket. The second familypaid $38.00 for 2 adult, 1 child, and2 student tickets. The third familypaid $21.25 for 1 adult, 1 student,and 1 child tickets. How much does a student ticket cost?

01

(-1, -6)

(1, -2)

(2, -6)

Which point is a solution for the system of inequalities shown on the graph?

02

2

1

4

What is the value of y in the system of equations? 2x + 2y – 2z = 10–x – y + 2z = –7 2x – 3y + z = –16

03

(2, 3, 4)

(5, -6, 18)

(-2, -3, -4)

What is the solution of the following systems of equations:3x + y = 5 + z4x – 2y – 2z = –6 2x + 2y + 2z = 18

04

This is not correct...

Find the key to continue

Inventory

Continue exploring the house

Inventory opened...

It is too dark...

-6 3 5 1

3 -6 -1 5

-6 3 -1 5

3 -6 5 1

What is the correct way to enter the equation: 3y - 6x = 5 + z into an augmented matrix?

01

calc(

solve(

rref(

ref(

After entering the augmented matrix into the calculator, what function is used to solve the matrix?

02

Substitution

Stat-Edit

Elimination

Matrix

Which of the following can not be used to solve a system of equations?

03

(0, 0, 1)

(12, 4, 1)

No Solution

Infinite Solutions

What is the solution to the system of equations?

04

Remember these notes and play them on the piano in the correct order

♪♬ø

You found asecret message

ø

01

ø

...Keep playing

02

ø

...One more

03

Start over...

You found a new item for your inventory

♪♬ø

Inventory

Continue exploring the house

Inventory open...

224

Use the magnifying glass to search for the code and then insert it into the typewriter

Someone is there!

Solid LineShade Below

Dashed LineShade Above

Solid LineShade Above

What does the graph of 3x + 7y > 5 look like?

01

Dashed LineShade Below

$1

$3

$2

How much does one order of fries cost?

02

MENUOption #1 for $222 Hamburgers3 orders of Fries2 DrinksOption #2 for $101 Hamburger1 order of Fries1 DrinkOption #3 for $243 Hamburgers3 Drinks

3 x 4

3 x 3

2 x 3

Your system of equations has three variables.What should the dimensions of the matrix be when you enter it into the calculator?

03

It's locked...look in the inventory for something to open it

A briefcase has appeared...

You have recovered all the memories of the ghost! Now it can finally rest and you can escape from the house!

Congratulations

Back

Exit

You will lose all progress made so far...

Are you sure you want to exit?

You failed to escape... better luck next time!

Inventory

Inventory

♪♬ø

Inventory

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♪♬ø

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♪♬ø

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♪♬ø

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In use...

Not working...

Not working...

Inventory

Inventory

♪♬ø

Inventory

♪♬ø

In use...