Substitution Method Review

Vocabulary

100

Which holiday often falls on or near spring break?

a) Mardi Gras

b) Easter

c) St Patrick's Day

d) All of them

d) All of Them

Spring break varies but generally falls in the period spanning late February to mid-April, which overlaps with multiple holidays.

200

A ____________________ of a system of equations is a set of values that work for all equations in a system.

What is a solution?

300

The term used for replacing the variables and checking your solutions. (Plugging in the x and y values)

What is substitution?

400

Solutions can be written as an ___________________ and can be shown on a coordinate grid.Hint: (x,y)

What is an ordered pair?

500

The term in algebra for getting the variable by itself.

What is isolate?

Solving in y= format

100

y = 2x – 8 

 y = -2x + 4

What is (3,-2)?

200

Where is Mrs. Hobbs going over spring break?

a) Delaware 

b) Disney

c) Universal

d) Tennessee

b) Disney!!!

300

y = 6x – 7 

 y = 2x + 1

What is (2,5)?

400

y = -5x + 9 

 y = -x – 3

What is (3, -6)?

500

y = -5x + 6 

 y = 6x – 5

What is (1,1)?

Is it a solution?

100

Is (1, 9) a solution to this system of equations? 

4x + y = 13

 2x + 2y = 20

What is yes?

200

Is (2, 8) a solution to this system of equations? 

y = x + 6 

y = 6x + 8

What is no?

300

What is the most popular Mexican destination for spring break?

Cancun!

Cancun is one of the most popular spring break destinations in the world. With a party reputation going back decades, it is full of beaches, loud shirtless men and loads of clubs.

400

Is (3, 4) a solution to this system of equations? 

x + 3y = 14 

2x + 3y = 18

What is no?

500

Is (2, 5) a solution to this system of equations? 

2x – 3y = -11 

18x – 6y = 6

What is yes?

Solve for x first

100

Solve using substitution. 

x = -9 

 9x – 9y = 9

What is (-9,-10)?

200

Solve using substitution. 

5x + 5y = 10 

 x + 3y = 20

What is (-7, -9)?

300

Solve using substitution. 

3x – 2y = -5 

 x – 2y = 5

What is (-5, -5)?

400

What U.S. city is usually considered the birthplace of spring break?

a) Cocoa Beach

b) Daytona Beach

c) Fort Lauderdale

d) Miami Beach

c) Fort Lauderdale

Spring break as we know began in 1936 when a swimming coach from Colgate University in frigid Upstate New York decided to take his team down to Florida for some early training at a brand-new Olympic-size pool in sunny Fort Lauderdale.

500

Solve using substitution. 

x + 4y = -14 

10x + 9y = -16

What is (2, -4)?

Solve for x or y first

100

Solve using substitution. 

y = -2 

 x + 5y = -15

What is (-5, -2)?

200

Solve using substitution. 

5x + y = -16

 8x + 4y = -16

What is (-4, 4)?

300

Solve using substitution. 

y = 2x + 9 

 y = 3x + 10

What is (-1, 7)?

400

Solve using substitution. 

3x – 4y = -6 

 x – 2y = 2

What is (-10, 6)?

500

How much do students spend each year on spring break?

a) $10 million

b) $100 million

c) $1 billion

d) $10 billion

c) $1 Billion

Between 1.5 and 2 million students in the US go on spring break each year. Collectively, they spend over $1 billion.