Write the function in standard form and find the vertex.f(x) = -4x2 + 8x - 6
A. f(x) = -4(x + 2)2 - 38; (-2, -38)
B. f(x) = -4(x - 2)2 - 14; (2, -14)
C. f(x) = -4(x + 1)2 - 18; (-1, -18)
D. f(x) = -4(x - 1)2 - 2; (1, -2)
Answer: D
Mathematics
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Find an equation of the line with the given properties. Express your answer in slope-intercept form. Graph the lines.Passing through (6, 10) and parallel to 6x + 5y = 76
A. y = - 
x + 10
B. y = - 
x + 
C. y = 
x + 
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x + 76
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= - 
A. m = 
B. m = 
C. m = 
D. m = - 
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Find the exact solutions to the quadratic equation, using a method of your choice.2x2 = 30
A. 16
B. 15
C. ±
D. 15, -15
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