sec1.04

4. The graph above shows how the Jackson family continued to grow between 1991 and 1998 by indicating the total number of children in the family at the end of each year. The Jacksons have one set of twins who were born to Mrs.Jackson one year in July. During what year were the twins born?
(A) 1993
(B) 1994
(C) 1996
(D) 1997
(E) 1998

5. The average (arithmetic mean) of x and y is 5 and the average of x, y and z is 8. What is the value of z?
(A) 19
(B) 14
(C) 13
(D) 11
(E) 3
sec1.06
6. In the figure above, a small square is inside a larger square. What is the area, in terms of x, of the shaded region?
(A) 2x - 10
(B) 10 - 2x
(C) 25 - 2x
(D) x2 - 25
(E) 25 - x2

7. If \[rstv = 1\] and \[stuv = 0\], which of the following must be true?
(A) \[r < 1\]
(B) \[s < 1\]
(C) \[t > \frac{1}{2}\]
(D) \[u = 0\]
(E) \[v = 0\]

Bỏ qua Tra từ điển
Hiện, ẩn khối
Tra từ điển

 
Từ cần tra