Use the intermediate value theorem for polynomials to show that the polynomial function has a real zero between the numbers given.f(x) = 3x3 - 3x + 8; -2 and -1
A. f(-2) = -9 and f(-1) = 9
B. f(-2) = 10 and f(-1) = 8
C. f(-2) = 10 and f(-1) = -8
D. f(-2) = -10 and f(-1) = 8
Answer: D
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Solve the linear equation using the multiplication property of equality.-6x = -24
A. x = 4 B. x= 18 C. x = -18 D. x = - 4
Convert as indicated.936 mg to kilograms
A. 936,000 kg B. 93,600 kg C. 0.0936 kg D. 0.000936 kg
Solve the system using the elimination method or a combination of the elimination and substitution methods.x2 - xy + y2 = 32x2 + xy + 2y2 = 12
A. {(2, 1), (1, 2)} B. {(2, 1), (-2, -1), (1, 2), (-1, -2)} C. {(1, 0), (-1, 0)} D. {(2, 0), (-2, 0), (1, 0), (-1, 0)}
Solve. If necessary, round answers to the nearest hundredth.The following test scores were recorded for a student: 79, 74, 72, 68, 74, 60, 70. Find the mean, median, and mode.
A.
| mean: 72 | median: 68 | mode: 74 |
B.
| mean: 71 | median: 72 | mode: 74 |
C.
| mean: 71 | median: 68 | mode: 79 |
D.
| mean: 72 | median: 71 | mode: 79 |