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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 = - 8 and y = 10 x = 1 and y = 1 x = - 3 and y = 5

Question 7
What is the median number of 6, 2, 1, 4, 12 ?
1 4 5

Question 8
A mountain is 500m high. If you unfold your arm which measures 1 meter, you succeed in hiding it with your hand which measures 0,08m. How far is the mountain?
3,33 kms 5,5 kms 6,25 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;-2) and B(-3;-4). How much is the lengthAB?
2
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