Find the equation in standard form of the parabola described.The focus has coordinates (-21, 0), and the equation of the directrix is x = 21.
A. y2 = 84x
B. y2 = -84x
C. x2 = -84y
D. y2 = -21x
Answer: B
Mathematics
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Solve the problem.The graph below shows the first derivative of a function 
. Select a possible graph f that passes through the point P. f'
A. 
B. 
C. 
D. 
Mathematics
Solve the equation.4x = 12
A. x = 4 B. x = 3 C. x = 12 D. x = 8
Mathematics
Provide an appropriate response.Find the equation of the line parallel to y = 4x - 1 and passing through the point (1, -3). Solve the equation for y.
Fill in the blank(s) with the appropriate word(s).
Mathematics
Solve the equation.
2 + 
= 6
A. {-6, 1}
B. 
C. 
D. {-4, 3}
Mathematics