Find the vertex, the focus, and the directrix of the parabola.x2 + 2x - 4y + 17 = 0
A. V: 
; F: (-1, 5), D: y = 
B. V: (1, 4); F: (-1, 5); D: y = 3
C. V: 
; F: (-1, 8); D: y = 0
D. V: 
; F: (-1, 3); D: y = 5
Answer: B
Mathematics
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Use the LCD to clear fractions and solve the given equation.
x - 
x = 5
A. -35 B. 40 C. -40 D. 35
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Perform the indicated operation. Write the result in the form a + bi.9i(4 - 6i)
A. 36i - 54i2 B. 54+ 36i C. 36i- 54 D. 36i + 54i2
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Graph the piecewise function.f(x) = 
A. 
B. 
C. 
D. 
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