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math
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 ?


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 ?
0

Question 6
What are the solutions of the system ?
x = - 3 and y = - 3 x = 1 and y = 2 x = 2 and y = 3

Question 7
What is the median number of 4, 2, 8, 7, 4 ?
4 5 8

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 environ voit-on un ballon de foot de 20 cm de diamètre situé à 2 m de nous?
3,7° 5,7° 7,7°

Question 10
In a mark, we have A(1;1) and B(2;7). How much is the length AB?
6
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