Use this space for
computations.
11 The width of a rectangle is 3 less than twice the length, x. If the area
of the rectangle is 43 square feet, which equation can be used to find
the length, in feet?
(1) 2x(x
3)
43
(3) 2x
2(2x
3)
43
(2) x(3
2x)
43
(4) x(2x
3)
43
2x
3
2
______
__
12 Which value of x is the solution of
?
4
3
x
1
__
(1)
(3)
4
4
1
__
(2)
(4) 4
4
13 What is the perimeter of a regular pentagon with a side whose length
is x
4?
2
(1) x
16
(3) 5x
4
(2) 4x
16
(4) 5x
20
14 Which equation represents a line parallel to the y-axis?
(1) x
y
(3) y
4
(2) x
4
(4) y
x
4
[7]
[OVER]
Integrated Algebra – August ’10