Đề thi Olympic Tiếng Anh lớp 10 vòng 7 năm 2013 - 2014

Câu 1:

Simplify: 6.4 - |14.7 + 0.5|

Câu 2:

The scatter plot above shows the elevation of a mountain-climbing team during an 8-day trip. Which equation is closest to the line-of-best fit for this data?

Câu 3:

Which function of x contains all the points shown in the table above?

Câu 4:

In the equation: y = 4x – 3, y is a function of x. If the value of x is increased by 1, how will the value of y change?

Câu 5:

In an equation, x and y vary directly. If x = 3 when y = -3/2, which of these equations shows the relationship of x and y?

Câu 6:

Ryan makes $3.00 per hour more than Scott. If 3 times Ryan's rate plus 4 times Scott's rate is $65.00, what is Ryan's hourly wage?

Câu 7:

Which of these equations represents the graph above?

Câu 8:

Ten colored marbles are placed in a box— 4 red, 2 yellow, and 4 green. In a random drawing, two marbles are chosen without replacement. What is the probability that the first marble selected will be red and the second marble will be green?

Câu 9:

A roofer can install 100 square feet of shingles in 60 minutes. At this rate, how long will it take to install 240 square feet of shingles?

Câu 10:

Simplify: (1/3)x + (1/3)y +4[(1/6)x + (1/4)y]