Write the expression in the standard form a + bi.(5 + 7i)2
A. -24 + 70i
B. 74 + 70i
C. 25 + 70i + 49i2
D. -24
Answer: A
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Choose the graph that matches the function. f(x) = 1
A. 
B. 
C. 
D. 
Write the first six terms of the geometric sequence with first term, a1, and common ratio, r.a1 = -5; r = 4
A. -20, -80, -320, -1280, -5120, -20,480 B. -5, 20, -80, 320, -1280, 6400 C. -5, -1, 3, 7, 11, 15 D. -5, -20, -80, -320, -1280, -5120
Answer the question.In the Konigsberg bridge problem, the islands are joined to the mainland by several bridges. Are these bridges really "bridges" in the graph theory sense? Explain.
What will be an ideal response?
Refer to the double-bar graph below which shows the number of male and female athletes at a university over a four-year period. Solve the problem.
Find the increase in the number of male athletes from year 3 to year 4.
A. 50 B. 75 C. 100 D. 475