Find: a. The center and radius of the circle. b. The x- and y-intercepts of the graph of the circle.2x2 - 8x + 2y2 - 24 = 0
A. a. center = (-2, 0); radius = 4
b. (6, 0), (-2, 0), (0, 2), (0, -2
)
B. a. center = (2, 0); radius = 4
b. (6, 0), (-2, 0), (0, 2), (0, -2
)
C. a. center = (2, 0); radius = 16
b. (6, 0), (-2, 0), (0, 2), (0, -2
)
D. a. center = (-2, 0); radius = 16
b. (6, 0), (0, 2)
Answer: B
You might also like to view...
Change the number to polar form and then perform the indicated operations. Express the result in rectangular form.(- + j)6
A. -64
B. -64 + 64j
C. 64 - 64j
D. 64j
Solve the problem.Find the half-life of the radioactive element radium, assuming that its decay constant is with time measured in years.
A. 1400 years B. 1600 years C. 800 years D. 2308 years
Factor the trinomial completely.2x4 - 24x3 + 70x2
A. x2(x - 7)(2x - 10) B. x2(2x - 14)(x - 5) C. 2(x2 - 7)(x2 - 5) D. 2x2(x - 7)(x - 5)
A piecewise function is given. Use the properties of limits to find the indicated limits, or state that the limit does not exist.f(x) = a.
f(x)
b.
f(x)
c.
style="vertical-align: -21.0px;" />f(x) A. a. does not exist b. 15 c. 15 B. a. 15 b. does not exist c. 15 C. a. 15 b. does not exist c. does not exist D. a. does not exist b. 15 c. does not exist