12.Practice.Tests.for.the.SAT_2015-2016_1128p

854
Section 2
Practice Test Ten
y
-3 x
15. The graph of f(x) is shown above. For what values
of x does f(x) have a negative slope?
(A) x > 0
(B) x > 3
(C) x > 5
(D) 0 < x < 5
(E) 3 < x < 7
y
• P
(4, -3)
16. In the figure above, a line is to be drawn through
point P so that it has a slope of 0. Through which
of the following points must the line pass?
(A) (O, O)
(B) (-4, 3)
(C) (-4, -3)
(D) (-3, 4)
(E) (4, 3)
x
17. If a, b, and x are positive integers and
is defined as the number of possible different
triangles with sides oflengths a, b, and x, what is
the value of x ?
(A) 2
(B) 3
(C) 4
(D) 5
(E) 6
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18. In the standard x, y-coordinate plane, the center
of circle 0 is the origin. If circle 0 has an area
of 251t, each of the following points lies on the
circumference of the circle EXCEPT
(A) (5, 0)
(B) (4, -4)
(C) (3, 4)
(D) (-3, 4)
(E) (-4, 3)
19. If m and n are positive integers and 2m + 3n = 15,
what is the sum of all possible values of m?
(A) 2
(B) 3
(C) 5
(D) 6
(E) 9
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