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Pre-Test

Multiple Choice
Identify the choice that best completes the statement or answers the question.
 

 1. 
Julia wrote 14 letters to friends each month for y months in a row. Write an expression to show how many total letters Julia wrote.
a.
14 – y
c.
14 + y
b.
14y
d.
mc001-1.jpg
 

 2. 
Evaluate x + (–9) for x = 35.
a.
–44
c.
26
b.
–26
d.
44
 

 3. 
If the population of an ant hill doubles every 10 days and there are currently 40 ants living in the ant hill, what will the ant hill population be in 20 days?
a.
320 ants
c.
1,600 ants
b.
160 ants
d.
80 ants
 

 4. 
Simplify the expression mc004-1.jpg.
a.
14
c.
4
b.
23
d.
22
 

 5. 
Simplify the expression mc005-1.jpg.
a.
10mc005-7.jpg
c.
10mc005-9.jpg
b.
11mc005-8.jpg
d.
11mc005-10.jpg
 

 6. 
Solve mc006-1.jpg.
a.
mc006-9.jpg
c.
mc006-11.jpg
b.
mc006-10.jpg
d.
mc006-12.jpg
 

 7. 
Find three consecutive integers such that twice the greatest integer is 2 less than 3 times the least integer.
a.
2, 3, 4
c.
6, 7, 8
b.
4, 5, 6
d.
8, 9, 10
 

 8. 
Evaluate mc008-1.jpg for x = –3.
a.
–9
b.
–4
c.
–8
d.
4
 
 
Find the constant of variation k for the direct variation.
 

 9. 
mc009-1.jpg
a.
k = mc009-2.jpg
b.
k = mc009-3.jpg
c.
k = mc009-4.jpg
d.
k = mc009-5.jpg
 

 10. 

x
f(x)
–1
2
0
0
2
–4
5
–10
a.
k = –1.5
b.
k = 2
c.
k = –0.5
d.
k = –2
 
 
Find the slope of the line.
 

 11. 
mc011-1.jpg
a.
 mc011-2.jpg
b.
mc011-3.jpg
c.
 mc011-4.jpg
d.
mc011-5.jpg
 
 
Find the slope of the line that passes through the pair of points.
 

 12. 
(1, 7), (10, 1)
a.
mc012-1.jpg
b.
mc012-2.jpg
c.
mc012-3.jpg
d.
mc012-4.jpg
 

 13. 
Find a solution to the following system of equations.
mc013-1.jpg
mc013-2.jpg
a.
(–8, –15)
b.
(–2, –15)
c.
(0, 1)
d.
(2, 5)
 

 14. 
What is the solution of the system of equations?
y = 3x + 7
y = x – 9
a.
(–1, –10)
b.
(–17, –8)
c.
(4, 19)
d.
(–8, –17)
 
 
Simplify the expression.
 

 15. 
mc015-1.jpg
a.
mc015-2.jpg
b.
16
c.
mc015-3.jpg
d.
–8
 

 16. 
mc016-1.jpg
a.
mc016-2.jpg
b.
mc016-3.jpg
c.
mc016-4.jpg
d.
mc016-5.jpg
 

 17. 
mc017-1.jpg
a.
mc017-2.jpg
b.
mc017-3.jpg
c.
mc017-4.jpg
d.
mc017-5.jpg
 
 
Find the degree of the monomial.
 

 18. 
7m6n5
a.
5
b.
11
c.
6
d.
7
 
 
Simplify the difference.
 

 19. 
(–7x – 5x4 + 5) – (–7x4 – 5 – 9x)
a.
2x4 + 2x + 8
c.
–14x4 – 10x + 10
b.
–14x4 + 10x + 10
d.
2x4 + 2x + 10
 
 
Simplify the product.
 

 20. 
3p4(4p4 + 7p3 + 4p + 1)
a.
12p8 + 3p7 + 4p5 + p4
c.
7p8 + 10p7 + 7p5 + 4p4
b.
12p8 + 21p7 + 12p5 + 3p4
d.
12p16 + 21p12 + 15p4
 
 
Factor the polynomial.
 

 21. 
mc021-1.jpg
a.
2x(x2 + 2x + 4)
c.
x(2x2 + 4x + 8)
b.
2x(x + 2)(x + 4)
d.
2x3 + 4x2 + 8x
 

 22. 
Which of the quadratic functions has the widest graph?
a.
mc022-1.jpg
b.
mc022-2.jpg
c.
mc022-3.jpg
d.
mc022-4.jpg
 

 23. 
Solve mc023-1.jpg by graphing the related function.
a.
mc023-2.jpg

There are two solutions: 2 and –2.
c.
mc023-5.jpg

There are two solutions: 2 and –2.
b.
mc023-3.jpg

There are two solutions: mc023-4.jpg.
d.
mc023-6.jpg

There are no real number solutions.
 
 
Simplify the radical expression.
 

 24. 
mc024-1.jpg
a.
mc024-2.jpg
b.
mc024-3.jpg
c.
mc024-4.jpg
d.
mc024-5.jpg
 
 
Simplify the radical expression by rationalizing the denominator.
 

 25. 
mc025-1.jpg
a.
mc025-2.jpg
b.
mc025-3.jpg
c.
mc025-4.jpg
d.
mc025-5.jpg
 



 
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