Hl,l3-"#::,:**,*
Factor the trinomia!.
1, x2+8x+7
z. *-lo+to
3.
*. f+\ap+25
E.
6- y2 5y-24
7,
a. n2+2n-48
az
*
I3a
1- 36
mz
-
lom+24
9,
vf
zz
-
-
tzw
-
13
142-* 4A
Solve the equalion.
'10-
f+t7y*?z:o
tt-'*-9q.-36:o
1?,- u?
- 13wf 42:A
te..x2*11.r*24:0
15.
-
17. pz * l6p
18. *-z'-30:0
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6
E.
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13. r?.-
sm
- 14:0
n2
12n
*
27
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€
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* 48:0
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Algehra
Chapter
I
1
Practice Workbook
741
Name
PfaetiCg
continued
For use with pages 582-589
Find the zeros of the polynomia! function.
re. f(x) :
x2
-
zz. f(x) :
x2
+ 1lx *
5x
-
36
28
20. g(x):
x2
+
8x
:
xz
+
l7x
23-
S(x)
-
20
-
1.2
21" h(*) :
x2
- llx *
24- h(x):
x2
+ 3x - l8
*
8)
:
24
Solve the equation.
25. x(x + 77): -60
6):7
26. p(p - 4):32
* 2):
27.
2a-
n(n
3r_
Patio Area Acommunity center is building a patio area
along two sides of its pool. The pooi is rectangular with
a width of 50 feet and a length of 100 feet. The patio area
will have the same width on each side of the pool.
+
a. Write
29"
s2
-
31s
4
w(w
-1S
30. a2+n6+4)=-g
l.xftt-100
ft---+
C
a
E
o
(-)
poiynomiai that represents the combined area
of the pool and the patio area.
b.
a
.C
C
o
E
o
The combined atea of the pool and patio area should
be 8400 square feet. How wide shouid the patio areabe?
=
o
-o
C
.o
'=
32. Area Rug You are creating your own
from a
square piece of remnant carpeting. You plan on cutting
4 inches from the length and 3 inches from the
width. The area of the resulting area rug is 1056 square
E
o
:'a
area rug
3 in.
=o
o
=
-oo
inches.
a. Write
a
!
polynomial that represents the area of your
area rug.
E
o
'4 in.
b.
What is the perimeter of the original piece of rernnant
carpeting?
142
Algebra
1
Chapter 9 Practice Workbook
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