Mathematics B Test - Regents High School Examination, The University Of The State Of New York Page 5

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18 If m∠A = 35, b = 3, and a = 4, how many different triangles can be
computations.
constructed?
(1) No triangles can be constructed.
(2) two triangles
(3) one right triangle, only
(4) one obtuse triangle, only
19 In a right triangle where one of the angles measures 30°, what is the
ratio of the length of the side opposite the 30° angle to the length of
the side opposite the 90° angle?
(1)
(3) 1:3
1 2
:
1 3
:
(2) 1:2
(4)
20 If zero is the value of the discriminant of the equation
+ bx + c = 0, which graph best represents y = ax
+ bx + c?
2
2
ax
y
y
x
x
( 1 )
( 3 )
y
y
x
x
( 2 )
( 4 )
[5]
[OVER]
Math. B – Jan. ’10

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