Decide whether or not the modulo system forms a group.{1, 2, 3, 4}; multiplication modulo 5
A. Not a group
B. Group
Answer: B
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Find the nth term of the arithmetic sequence with the given values.a1 = 6, d = 2; n = 27
A. 58 B. -48 C. -46 D. 60
For the following question(s), refer to the digraph below.
Vertex D is
A. incident to vertex E only. B. incident to vertex C only. C. incident to vertex A, B, C, and E. D. incident to vertices C and E. E. none of these
In ?ABC,AB = 3", BC = 4" and AC = 6". In ?PQR, PR = 6 cm, RQ = 8 cm, and PQ = 12 cm. Then
(a) ?ABC ~ ?PQR. (b) ?ABC ~ ?QPR. (c) ?ABC ~ ?PRQ. (d) ?ABC ~ ?QRP. (e) Because one triangle is measured in inches and the other triangle is measured in centimeters, the corresponding sides are not proportional.
Use the quadratic formula to solve the quadratic equation.64x2 - 19 = 0
A. 
B. ± 
C. ± 
D. 8 ± 