Grade 10 Final test of the 10th Grade Good luck!Question 1 The equation has : no solution 1 solution, x = 2 2 solutions, x = 0 et x = 4Question 2How much is ? 0 Question 3What is the derivative of the function 2 Question 4Why is the function always increasing ? Car elle est toujours positive Car sa dérivée est toujours positive Car dieu en a décidé ainsiQuestion 5How much is the sum of all the whole numbers from 1 to 1000 ? 500000 500500 555555Question 6You play heads or tails with a coin. If the coin falls on tails you earn 5 euros, if it falls on heads you earn 4 euros. X is the random variable that shows the winning after you've tossed the coin. How much is X expected value Question 7Which one of these points A, B, C, is the closest to the barycenter of the system A B CQuestion 8How much is the dot product of and of ? -2 22 23Question 9The 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 10The cartesian coordinates of a point M are . What are its polar coordinates?