SAT Math Hard Practice Quiz
y
x
(2
, a
)
(10
,
0)
O
10.
In the figure above, two line segments in the
x
-
y
plane
form a right triangle with the
x
-axis. What is the value
of
a
?
(A)
2
√
2
(B)
4
(C)
5
(D)
4
√
2
(E)
5
√
2
11.
The perimeter of square
ABCD
is
x
, and the perimeter
of isosceles triangle
EF G
is
y
. If
AB
=
EF
=
F G
, which
of the following must be true?
(A)
0
< y <
x
4
(B)
x
4
< y <
x
2
(C)
x
2
< y < x
(D)
x < y <
2
x
(E)
2
x < y <
4
x
y
x
P
O
y
= 2
x
−
1
y
=
x
+
c
Note: Figure not drawn to scale.
12.
In the
x
-
y
plane, the lines
y
= 2
x
−
1 and
y
=
x
+
c
inter-
sect at point
P
, where
c
is a positive number. Portions
of these lines are shown in the figure above. If the value
of
c
is between 1 and 2, what is one possible value of the
x
-coordinate of
P
?
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pg. 8