1.
Suppose you need to solve the equation 3 = 2(5
x
+ 1). What is a logical first step in solving this equation?
A.
Use the Subtraction Property of Equality.
B.
Use the Addition Property of Equality.
C.
Use the Distributive Property.
D.
Use the Substitution Property of Equality.
Hint
2.
The formula for the area of a triangle is
A
=
where
b
is the
length of the base and
h
is the height. The area of a particular triangle
is 39 square feet. The length of the base is (4
a
+ 2) feet and the
height is 3 feet. What is the value of
a
?
A.
6.5
B.
6
C.
3
D.
1.5
Hint
3.
Solve the equation 3(
z
– 2) + 4(
z
+ 2) =
z
.
A.
z
= -1
B.
z
= 0
C.
z
=
D.
no solution
Hint
4.
Solve the equation
t
+ 2(3 –
t
) = 5
t
.
A.
t
= 2
B.
t
= 1
C.
t
=
D.
t
= 3
Hint
5.
Hute has made the garden shown. Find the value of
x
if the perimeter of the garden is 8 yd.
A.
2
B.
4
C.
3
D.
1
Hint