Solve the system. If the system has infinitely many solutions, write the solution set with x arbitrary.4x + y + z = 2 x - y + 5z = 84x + y + z = 11
A. ?
B. {(3, -3, 2)}
C. {(2, 3, -3)}
D. {(2, -3, 3)}
Answer: A
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Find the solution set for the system by graphing both of the system's equations in the same rectangular coordinate system and finding points of intersection.
A. {(0, 3), (0, -3)} B. {(0, 3)} C. {(3, 3)} D. {(3, 0)}
Find the quotient and the remainder.-6x3 - 17x2 - 2x + 30 divided by 2x + 3
A. -3x2 - 4x + 5; remainder 15 B. -3x2 - 4x + 5; remainder 18 C. x2 + 5; remainder -4 D. -3x2 - 4x + 5; remainder 0
Write the product as a sum. cos 7x cos 3x
(a) cos 7x cos3 x (b) [cos7x cos3x]/ 2 (c) [cos10x cos 4x]/ 2 (d) -[cos5x + cos 2x]/ 2 (e) none of these
Determine the accuracy of the measurement; that is, give the number of significant digits for the measurement.
m
A. 3 B. 4 C. 2 D. 6 E. 5