Grade 8
Final test of the 8th Grade
Good luck!
Question 1
How much is
?
Question 2
What do you find when you factorize
?
Question 3
What are the solutions of the ininequality
?
x > -4
x < -4
x < 4
Question 4
How is called a function written
?
An exponential function
An affine function
A linear function
Question 5
What do you find if you write with only one square root the number
?
Question 6
What are the solutions of the system
?
x = -1 and y = -4
x = 8 and y = 0
x = 5 and y = 2
Question 7
What is the median number of 6, 2, 1, 4, 12 ?
1
4
5
Question 8
A mountain is 400m high. If you unfold your arm which measures 1 meter, you succeed in hiding it with your hand which measures 0,06m. How far is the mountain?
6,2 kms
6,7 kms
6,9 kms
Question 9
In which angle can you see a church 30m high which is 100m away from you?
17°
21°
72°
Question 10
In a mark, we have A(1;1) and B(2;7). How much is the length AB?
6