Đề thi Olympic Tiếng Anh lớp 11 vòng 6 năm 2013 - 2014

Sonya and Alex shared their work on the equation |2x + 3| = 13 as shown above. Which statement is true?

As shown in the accompanying diagram, the star in position 1 on a computer screen transforms to the star in position 2. This transformation is best described as a.

Carlos is playing a game using tiles. Each tile is divided into two groups of dots. He needs to select a tile with a group of 3 dots or a group of 5 dots to be able to play. The tiles he can choose from are shown above. Carlos will randomly select one tile at a time without replacement until he selects a tile with either a group of 3 dots or a group of 5 dots . What is the probability that he will need to select a total of 4 tiles in order to play?

Sophia uses the equation above to estimate the percent, p of games a baseball team is expected to win based on the number of runs scored, s and the number of runs the team allows, a. Sophia's favorite baseball team scored 200 runs and allowed 150 runs. What percent of games is this team expected to win?

The graph of the equation y = log (2x + 3) is translated right 3 units and down 3.5 units to form a new graph. Which equation represents the new graph?

Which set contains all the real numbers that are not part of the domain of the function above?

If g ≠ 0 and h ≠ 0 which expression represents this quotient?

If 3(x - 2) = 2x + 6, the value of x is

Which statement is logically equivalent to "If a triangle is an isosceles triangle, then it has two congruent sides"?

Which ordered pair is a solution to this system of equations?