Solve by completing the square. If the equation has no real solutions, write "no real-number solutions."a2 - 2a - 35 = 0
A. -7, 5
B. -30, -5
C. 7, -5
D. no real-number solutions
Answer: C
You might also like to view...
Solve the problem. Round your answer, if appropriate.The radius of a right circular cylinder is increasing at the rate of , while the height is decreasing at the rate of
. At what rate is the volume of the cylinder changing when the radius is 12 in. and the height is 18 in.?
A. -504? in.3/sec B. -504 in.3/sec C. -12 in.3/sec D. 144? in.3/sec
Give an appropriate answer.If f(x, y, z) = exyz find fz(x, y, z).
A. zexyz B. xyez C. xyexyz D. xyzexyz
Solve the problem.Graph f(t) = csc t in [-2?, 2?, ?/2] by [-4, 4, 1] using dot mode. Use the graph to identify the domain and period of f.
A. t ? ?n, where n is an integer; 2?
B. t ? ?n, where n is an integer; ?
C. t ? + ?n, where n is an integer; 2?
D. t ? + ?n, where n is an integer; ?
Combine like terms. Then write the polynomial in descending order of powers.-4z4 + 2z5
A. -2z9 B. 2z5 - 4z4 C. -2z4 D. -2z2