Linear
Systems of Equations
Word Problems
Trivia
100

Solve for x:

4x + 1 = 6 - (2 - 4x)

No solution

100

y=6x-5

-18x+3y=-15

Infinite Solutions

100

Ms. L starts drinking a coffee. After 2 seconds, I have 140 mL left. After 9 seconds, I have 72mL left. 

What is the slope and what does it mean?

-9.7

I drink 9.7 mL every second.

100

What room number is this?

211

200

-6x+4y=36

Find the x and y intercepts.

x-int: (-6, 0)


y-int: (0, 9)

200

2x-4y=10

x+5y=40

(15, 5)

200

A food truck sells pizza for $6.50 each and drinks for $2.00 each. If their revenue from selling 209 pizzas and drinks was $836.50, how many pizzas did they sell?

93 Pizzas

200

How do you spell my last name?

Leviness

300

Write the equation in all three forms.

(2, -5) (-1, 7)

y+5=-4(x-2) OR y-7=-4(x+1)

y=-4x+3

y+4x=3

300

-7x-8y=9

-4x+9y=-22

(1, -2)

300

Kelly is driving to New Hampshire. When she leaves the house, she has 19 gallons of gas. After 2 hours, she has 5 gallons of gas left. 

Write a linear model to represent the situation.

How long will it take Kelly to run out of gas?

y=-7x+19

It will take 2.7 hours to run out of gas.

300

What other math class do I teach right now?

Algebra 1
400

Write the equation of the line in all three forms.

(-3, 0) & (1, 2)

y-0=(1/2)(x+3)  OR y-2=(1/2)(x-1)

y=(1/2)x+(3/2)

-x+2y=3

400

4x-5y=14

-6x+6y=-6

(-9, -10)

400

Josh is filling up a pool with water. After 5 seconds, there are 6 gallons of water. After 8 seconds, there are 7 gallons of water. 

How much water was in the pool originally?

4/3 of a gallon

400

What sport do I coach at Hand?

Girls golf!!

500

x     y

5     2

7     

       14

13   18


Write an equation for the table and fill in the missing values

Slope = 2

(7, 6)

(11, 14)

500

(1/2)x + (1/3)y = 5

(1/4)x - (1/6)y = 1

(7, 4.5)

500

The school that Max goes to is selling tickets to a choral performance. On the first day of ticket sales the school sold 3 senior citizen tickets and 1 child ticket for a total of $38. The school took in $52 on the second day by selling 3 senior citizen tickets and 2 child tickets. Find the price of a senior citizen ticket and the price of a child ticket.

(8, 14)

500

What is the name of my dog?

Allie

M
e
n
u