SAT Math Easy Practice Quiz
Algebra and Functions
1.
If
x
+ 1 = 23, what is the value of 3
x
+ 3 ?
(A)
22
(B)
46
(C)
66
(D)
69
(E)
72
2.
If
√
2
x
+ 4 =
√
36, what is the value of
x
?
(A)
1
(B)
6
(C)
8
(D)
12
(E)
16
3.
If 2
a
+ 3
b
= 12, and 3
b
−
4 = 2, then what is the value
of
a
?
(A)
2
(B)
3
(C)
4
(D)
6
(E)
8
4.
For all numbers
x
,
y
, and
z
, let
x y z
be defined by
x y z
=
x
−
y
+
z
. What is the value of 1 2 3 ?
(A)
1
(B)
2
(C)
3
(D)
4
(E)
5
x
1
2
3
4
5
6
g
(
x
)
3
11
19
27
a
43
5.
The table above defines several values of the linear func-
tion
g
. What is the value of
a
?
(A)
31
(B)
33
(C)
35
(D)
37
(E)
41
6.
A pool that is being drained contains 300
−
6
t
gallons of
water after
t
minutes of draining. How many gallons of
water does the pool contain after 15 minutes of draining?
7.
If
x
+ 1 = 7, what is the value of
x
2
+ 2
x
+ 1 ?
(A)
36
(B)
37
(C)
48
(D)
49
(E)
81
8.
Which of the following expressions is equivalent to 12 less
than the product of
x
and
y
?
(A)
12
−
xy
(B)
xy
−
12
(C)
12
−
(
x
+
y
)
(D)
(
x
+
y
)
−
12
(E)
12
xy
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