
Free mathematics tutorials Questions 1: If Logx (1 / 8) =  3 / 2, then x is equal to A.  4 B. 4 C. 1 / 4 D. 10
Question 2: 20 % of 2 is equal to A. 20 B. 4 C. 0.4 D. 0.04 Questions 3: If Log 4 (x) = 12, then log 2 (x / 4) is equal to A. 11 B. 48 C. 12 D. 22
Questions 4: The population of a country increased by an average of 2% per year from 2000 to 2003. If the population of this country was 2 000 000 on December 31, 2003, then the population of this country on January 1, 2000, to the nearest thousand would have been A. 1 846 000 B. 1 852 000 C. 1 000 000 D. 1 500 000
Questions 5: f is a quadratic function whose graph is a parabola opening upward and has a vertex on the xaxis. The graph of the new function g defined by g(x) = 2  f(x  5) has a range defined by the interval A. [ 5 , + infinity) B. [ 2 , + infinity) C. (  infinity , 2] D. (  infinity , 0]
Questions 6: f is a function such that f(x) < 0. The graph of the new function g defined by g(x) =  f(x)  is a reflection of the graph of f A. on the y axis B. on the x axis C. on the line y = x D. on the line y =  x
Questions 7: If the graph of y = f(x) is transformed into the graph of 2y  6 =  4 f(x  3), point (a , b) on the graph of y = f(x) becomes point (A , B) on the graph of 2y  6 =  4 f(x  3) where A and B are given by A. A = a  3, B = b B. A = a  3, B = b C. A = a + 3, B = 2 b D. A = a + 3, B = 2 b +3
Questions 8: When a parabola represented by the equation y  2x 2 = 8 x + 5 is translated 3 units to the left and 2 units up, the new parabola has its vertex at A. (5 , 1) B. (5 , 5) C. (1 , 3) D. (2 , 3)
Questions 9: The graphs of the two linear equations ax + by = c and bx  ay = c, where a, b and c are all not equal to zero, A. are parallel B. intersect at one point C. intersect at two points D. perpendicular
Questions 10: The graphs of the two equations y = a x 2 + b x + c and y = A x 2 + B x + C, such that a and A have different signs and that the quantities b 2  4 a c and B 2  4 A C are both negative, A. intersect at two points B. intersect at one point C. do not intersect D. none of the above
Questions 11: For x greater than or equal to zero and less than or equal to 2 pi, sin x and cos x are both decreasing on the intervals A. (0 , pi/2) B. (pi/2 , pi) C. (pi , 3 pi / 2) D. (3 pi / 2 , 2 pi)
Questions 12: The three solutions of the equation f(x) = 0 are 2, 0, and 3. Therefore, the three solutions of the equation f(x  2) = 0 are A.  4, 2, and 1 B. 2, 0 and 3 C. 4, 2, and 5 D. 0, 2 and 5
Questions 13: The three solutions of the equation f(x) = 0 are  4, 8, and 11. Therefore, the three solutions of the equation f(2 x) = 0 are A.  2, 4, and 11/2 B.  8, 16 and 22 C.  4, 8, and 11 D. 2, 19 / 2 and 7 / 2
https://sciemce.com
URL: 
No comments posted yet
Comments