Find an equation of a parabola satisfying the given conditions.Focus (-3, 0), directrix x = 3
A. x2 = 12y
B. y2 = 12x
C. x2 = -12y
D. y2 = -12x
Answer: D
Mathematics
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Write an English phrase that would translate into the given mathematical expression.4(t + 9)
A. Four times the sum of a number t and 9 B. Four times a number t, increased by 9 C. Four more than the sum of a number t and 9 D. The sum of a number t and 9
Mathematics
Solve the equation.
= 9
A. {-15} B. ? C. {-3, 15} D. {3, 15}
Mathematics
Solve the equation.
x = 3 + 
x
A. {45} B. {-90} C. {-45} D. {90}
Mathematics
Find the foci of the given hyperbola.x2 - y2 = 8
A. (
, 0), (-
, 0)
B. (4, 0), (-4, 0)
C. (0, 4), (0, -4)
D. (2, 0), (-2, 0)
Mathematics