white
maths
Grade 10

Final test of the 10th Grade




Good luck!


Question 1
The equation has :
no solution 2 solutions, 2 solutions,

Question 2
How much is ?
0

Question 3
What is the derivative of the function


Question 4
Why is the function always increasing ?
Car elle est toujours positive Car sa dérivée est toujours positive Car dieu en a décidé ainsi

Question 5
How much is the sum of all the whole odd numbers from 1 to 1000 (use the sequences) ?
250000 250250 250500

Question 6
You play heads or tails with a coin. If the coin falls on tails you earn 10 euros, if it falls on heads you earn 9 euros. X is the random variable that shows the winning after you've tossed the coin. How much is X expected value ?


Question 7
Which one of these points A, B, C, is the closest to the barycenter of the system
A B C

Question 8
How much is the dot product of and of ?
13 23 43

Question 9
The image M' of a point M by the homothety which center is O and ratio -1 :
is symmetrical to M across 0 is on the segment [OM] Check

Question 10
The cartesian coordinates of a point M are x = 2 and y = 2 . What are its polar coordinates?

white