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Math B Regents Exam Questions by Type - Multiple Choice Page 4
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24. What is the amplitude of the function
y = 2 sin 4x?
3
27. Which equation represents the parabola
shown in the accompanying graph?
[A] π 2
[B] 3π [C] 2 3
[D] 4
25. The accompanying diagram shows the
elliptical orbit of a planet. The foci of the
elliptical orbit are F 1
and F 2
.
2
[A] f ( x) =−( x−3)
−3
2
[B] f ( x) =− ( x+ 3)
+ 1
If a, b, and c are all positive and a ≠b≠ c,
which equation could represent the path of the
planet?
2 2 2
[A] ax − by = c [B] ax + by = c
2 2 2
2 2 2
[C] x + y = c [D] y = ax + c
2 2
26. The accompanying graph represents the
figure .
2
[C] f ( x) = ( x+ 1)
−3
2
[D] f ( x) =−( x− 3)
+ 1
28. Written in simplest form, the expression
2 2
x y − 9
is equivalent to
3−
xy
[A] 3+ xy
[B]
1
3+ xy
[C] − ( 3+
xy ) [D] −1
Which graph represents after a
transformation defined by r R 90
?
y= x °
[A]
[B]
[C]
[D]