Evaluate the polynomial.-3x3 + 4x2 - x - 30for x = -2
A. -12
B. 2
C. 12
D. 0
Answer: C
Mathematics
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Express as a single logarithm.3log6x + 5log6(x - 6)
A. log6x(x - 6)15 B. log6x3(x - 6)5 C. log6x(x - 6) D. 15 log6x(x - 6)
Mathematics
Write the conjugate of the complex number z. Then find z
.z = 1 + 7i
A. = 1 - 7i, z
= -48
B. = 1 - 7i, z
= 1 - 49i2
C. = 1 - 7i, z
= 50
D. = 1 - 7i, z
= 1 - 49i
Mathematics
Solve the problem.A student must choose 1 of 5 science electives, 1 of 8 social studies electives, and 1 of 7 language electives. How many possible course selections are there?
A. 40 course selections B. 280 course selections C. 560 course selections D. 20 course selections
Mathematics
Determine whether the ordered pair is a solution to the linear inequality.y > -x - 7; (2, -6)
A. Yes B. No
Mathematics