Find an equation of the parabola described.Focus at (20, 0); directrix the line x = -20
A. y2 = 80x
B. x2 = 80y
C. y2 = 20x
D. y2 = -80x
Answer: A
Mathematics
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Simplify the fraction, if possible.
A. 7 B. -7 C. 0 D. undefined
Mathematics
Write the equation in slope-intercept form.2x - 7y = 6
A. y = 2x - 6
B. y = x -
C. y = x +
D. y = x +
Mathematics
Write as a proportion.48 is to 72 as 6 is to 9.
A. =
B. =
C. =
D. =
Mathematics
Find the difference. Simplify the result. -
A.
B.
C.
D.
Mathematics