Solve the equation by completing the square. Express any complex numbers using i notation.x2 + 4x - 8 = 0
A. x = -2 ± 2
B. x = ±2
C. x = 2 ± 2
D. x = -2 ± 2
Answer: A
Mathematics
You might also like to view...
Match the function with its graph.1) y = sin (x)2) y = cos (x)3) y = -sin (x)4) y = -cos (x)A)B)?
C)D)
?
A. 1C, 2A, 3B, 4D B. 1B, 2D, 3C, 4A C. 1A, 2D, 3C, 4B D. 1A, 2B, 3C, 4D
Mathematics
Solve the problem.Let A = and B =
. Find -4A - 3B.
A.
B.
C.
D.
Mathematics
Use transformations to graph the function.Use the graph of log3x to obtain the graph of f(x) = log3(x - 1).
A.
B.
C.
D.
Mathematics
Find the center (h, k) and radius r of the circle with the given equation. 4x2 + 4y2 - 12x + 16y - 5 = 0
A. (h, k) = (- , 2); r =
B. (h, k) = (- , 2); r=
C. (h, k) = (, -2); r =
D. (h, k) = (, -2); r =
Mathematics