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2. Solve: (solution set)
¾ (3x ½ ) 2/3<1/3
9/4x3/82/3<1/3
9/4x3/82/3=1/3
9/4x3/8=1/3+2/3=1
9/4x3/8=1
9/4x=1 3/8
X< 11/18
{x x<11/18}
3. First, classify the graph of the system as consistent or inconsistent and as dependent or
independent. Then match it with a system of equations.
Is the system consistent or inconsistent?
Are the equations dependent or independent?
Which system of equations matches the graph?
1.
8x6y=42
8x+6y=42
2.
8x+6y=42
8x6y=42
4. Match each graph with the appropriate inequality
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View Full Document12y>153x
Y+x</3
5x3y<15
3x/>4y12
5. The perimeter of a rectangle is 54m. The length is 9m more than twice the width. Find
the dimensions.
2L+2W=54
L=2W+9
2(2W+9)+2W=54
4W+18+2W=54
6W=36
W=6
L=2(6)+9
L=12+9
L=21
2(21)+2(6)=54
42+12=54
6. Miguel’s insurance company will replace his car if repair costs exceed 80% of the car’s
value.
The car recently sustained $9600 worth of damage, but it was not replaced. What
was the value of his car?
More than $12,000
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 Spring '09
 UniversityofPhoenix
 Algebra

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