Complete the ordered pair for the equation.y = -8x - 20( , -20)
A. (-160, -20)
B. (-3, -20)
C. (8, -20)
D. (0, -20)
Answer: D
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Graph the quadratic function. Determine the vertex, find the equation of the axis of symmetry, find any x- and y-intercepts, and state the domain and range in interval notation.f(x) = -11x2 - 2x - 12
A. vertex:
axis of symmetry: x =
x-intercept: none; y-intercept: 12
domain: (-?, ?); range:
B. vertex:
axis of symmetry: x = -
x-intercept: none; y-intercept: -12
domain: (-?, ?); range:
C. vertex:
axis of symmetry: x = -
x-intercept: none; y-intercept: 12
domain: (-?, ?); range:
D. vertex:
axis of symmetry: x =
x-intercept: none; y-intercept: -12
domain: (-?, ?); range:
Find the amount that results from the investment.$1,000 invested at 9% compounded semiannually after a period of 4 years
A. $422.1 B. $1411.58 C. $1360.86 D. $1422.10
Use the given zero to find all zeros of the function.f(x) = x4 - 45x2 - 196; zero: -2i
A. 2i, 14i, -14i B. 2i, 7i, -7i C. 2i, 14, -14 D. 2i, 7, -7
Find the missing length(s) in the right triangle. If necessary, round to the nearest tenth.
A. b = 6 cm; c = 24 cm B. b = 6.9 cm; c = 8 cm C. b = 48 cm; c = 8 cm D. b = 8 cm; c = 6.9 cm