Substitution
Elimination - addition
Elimination - subtraction
General Knowledge
All About Mrs Potgieter
100

y = 3x + 1

y = 6x + 10

x = -3 , y = -8

100

4x + 9y = 29

6x - 9y = 21

x = 5, y = 1

100

x + 5y = 13

x + y = -3

x = -7, y = 4

100

Which chemical element shares its name with a planet?

Mercury

100

What is Mrs Potgieter's two teaching areas?

Math and English

200

y = -2x + 13

y = 4x - 11

x = 4, y = 5

200

2x - 2y = -18

5x + 2y = -24

x = -6, y = 3

200
-2x + 4y = 8 

x + 4y = 26

x = 6, y = 5

200

What is the occupation of the Nintendo character Luigi?

Plumber

200

What are the two different animals that Mrs Potgieter has as pets?

Cats and horses

300

4x + 2y = -20

y = x - 4

x = -2, y = -6

300

-8x - 5y = 18

8x + 7y = -22

x = -1, y = -2

300

-5x - 6y = 14 

3x - 6y = -18

x = -4, y = 1

300

What is the hardest natural substance on Earth?

Diamond

300

What is Mrs Potgieter's favourite colour?

White/beige

400

5x - y = 21

y = -7x + 15

x = 3, y = -6

400

5x - 4y = -8

-5x + 6y = 12

x = 0, y = 2

400

-8x + 2y = 28

-8x - 7y = 10

x = -3, y = 2

400

Who is the author of 'To Kill a Mockingbird'?

Harper Lee

400

What is Mrs Potgieter's pet hate?

Mrs Potgieter to check answers

500

y = -8x - 3

8x + 4y = 12

x = -1, y = 5

500

4x - 5y = 7 

-8x + 5y = 1

x = -2, y = -3

500

-2x - 4y = 8

-5x - 4y = -10

x = 6, y = -5

500
What is the world's hottest chilli pepper? 

Carolina Reaper 

500

How many years has Mrs Potgieter been teaching for?

7