Find the indicated matrix.Let B = [-1 2 7 -3]. Find -3B.
A. [3 -6 -21 9]
B. [-3 6 21 -9]
C. [3 2 7 -3]
D. [-3 0 5 -5]
Answer: A
Mathematics
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Mathematics
Solve the problem.In an arithmetic sequence with first term P1 and common difference d, the (N + 2)nd term is given by
A. d + (N + 2)P1. B. P1 + (N + 2)d. C. P1 + (N + 1)d. D. d + (N + 1)P1. E. none of these
Mathematics
Simplify.62
A. 12 B. 37 C. 36 D. 13
Mathematics
Solve the system by the addition method.x2 + y2 - 4x + 8y + 19 = 0 x2 - y2 - 4x - 8y - 13 = 0
A. {(3, -4), (-1, -4)} B. {(3, -4), (1, -4)} C. {(2, 3), (2, 5)} D. {(2, -3), (2, -5)}
Mathematics