Graph the polar equation.r = 1 - 3 cos ?

A.

B.

C.

D.


Answer: C

Mathematics

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In the circuit below, Vin = 7 V, R = 250 ê, xC = 1000 ê at fr, and C = 90 pF. Find fr and Q.


a. fr = 3.1 MHz, Q = 10
b. fr = 1.8 MHz, Q = 4
c. fr = 1.8 MHz, Q = 1.8
d. fr = 1.2 MHz, Q = 6
e. fr = 1.0 MHz, Q = 4

Mathematics

Represent the quantity by an integer.The team gave up 14 points.

A. 14 B. -14

Mathematics

Use long division to determine whether the binomial is a factor of f(x).f(x) = x4 - x3  - 3x2 + 4x + 7; x + 2

A. Yes B. No

Mathematics

Factor the polynomial completely.8a4 - 18b2

A. 2(2a2 + 3b)(2a2 - 3b) B. 2(2a2 - 3b)2 C. (4a2 + 6b)(2a2 - 3b) D. 2(2a2 + 3b)2

Mathematics