The graph of a quadratic function is given. Determine the function's equation.
A. j(x) = -x2 + 3
B. f(x) = -x2 - 6x - 9
C. h(x) = -x2 - 3
D. g(x) = -x2 + 6x + 9
Answer: C
Mathematics
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Find the slope and the y-intercept of the line with the given equation.y = 
x - 4
A. Slope 
; y-intercept (0, -4)
B. Slope- 
; y-intercept (0, 4)
C. Slope
; y-intercept (0, 4)
D. Slope- 
; y-intercept (0, -4)
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Find the length of the curve.x = 
, 1 ? y ? 16
A. 42
B. 
C. 
D. 
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Add or subtract as indicated. Write the answer in simplest form.- 
+ 
A. - 
B. 
C. - 
D. 
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Use a graphing calculator to approximate the vertex of the graph of the parabola defined by the following equation.y = x2 + 2x - 6
A. (-1, -7) B. (1, -7) C. (-1, -6) D. (1, 7)
Mathematics