Nova Press: Set C - More Practice

Question Name	Average time to answer (seconds)	Total correct answers	Total incorrect answers
12. If a marble is selected at random from a bag containing only red and ... ...	23	6	2
13. Is the negative number x less than −1?( is not sufficient. For example, ... ...	67	3	5
18. If 2x + y = −31, what is the value of x?( (y −· (y − −4 = ... ...	36	5	3
17. An equilateral triangle is inscribed in a circle, as shown above. What ... ...	73	4	4
16. What is the value of p3 + 2p ?( p2 −5p + 4 = 0.( The value of .Factoring ... ...	77	4	4
14. What is the volume of a given cube?( The ratio of an edge of the cube ... ...	69	5	3
15. In the parallelogram above, what is the measure of ∠ABC?( BAD + ... ...	43	6	2
25. If x is an integer, is an integer?( x2− y2 = 0( x2 − k2 = −y2 ... ...	79	1	6
19. The symbol Θ denotes one of the operations: addition, subtraction, ... ...	39	3	4
20. Let ∇ denote a mathematical operation. Is it true that x ∇ y = ... ...	60	0	7