Comprehensive Grade 9 Quiz

• 2

• -3

• -2

• 1

• 4

• 7

• 5

• 6

• 2

• -20

• 16

• 20

• 2

Candice thinks of a number which she then doubles and then adds 3, her final answer is 17. Which number is she thinking of?           

• 7

• 9

• 11

• 4

1.      A bag contains 5 Yellow, 3 Green and 2 Blue counters. One counter is selected at random. The probability of a Blue counter is:

A spinner has the numbers 1 to 4 on it.

The probability of spinning a number 4 is 0.1

The probability of spinning a number 1 is 0.6

The probability of spinning a number 2 is the same as

the probability of spinning a number 3

Calculate the probability of spinning a number 3.

• 0,6

• 0,2

• 0,15

• 0.7

The nth term for the sequence -3; 1; 5; 9; is:

• 4n

• 4n-4

• 4n-7

• 4n+7