Transcript PowerPoint

EOC Practice Test
Reporting Category 2
Mathematical Processes
Reporting Category 2
2
1. If x ≠ , which expression is equivalent to
3
3x 2  13x  10
9 x  12 x  4
2
?
A. 3x – 2
C. –6x2 + x – 6
B. x + 5
D. –6x2 + 25x – 14
2. Which set of numbers is ordered
from greatest to least?
15
9
, 5, , 2.49
A.
7
5
15 9
C. 2.49, 5, ,
7 5
9
15
15 9
B.
, , 5, 2.49 D. 2.49, 5, ,
5 7
7 5
3. A cubic millimeter of human blood contains
about 5 x 106 red blood cells. An adult
human body may contain about 5 x 106
cubic millimeters of blood. About how many
red blood cells does such a human body
contain?
A.about 5 x 106
C. about 2.5 x 1012
A.about 25 x 106
D. about 2.5 x 1013
4. Which expression is equivalent to
A. 8x24
B. 8x12
C. 64x12
D. 64x8

2x
4
?
6
15
x
5. Which expression is equivalent to
?
15
A.
x 15
x
15
B.
15
x
C.
15
D.
x
6. What is the value of
49
16 ?

64
49
17
A.
56
C. 33
15
81
B.
56
D. 1377
3136
7. Which expression is closest to
(7.08 x 10–7)(4.033 x 1029)?
A. 1.76 x 1022
B. 1.76 x 1023
C. 2.86 x 1022
D. 2.86 x 1023
8. Which statement best describes the values
of the numbers in this set?

 64 81 100 

,
,


23 

 15 19

A. They are between 1 and 1.5.
B. They are between 1.5 and 2.
C. They are between 2 and 2.5.
D. They are between 2.5 and 3.
9. If the value of the variable y is positive,
what is the sum of
3 7y and 7 y ?
A.
3 7y
C. 3 14y
B.
4 7y
D. 4 14y
10. The mass of the Sun is estimated to be
about 1.99 x 1030 kg, and the mass of
Jupiter is estimated to be about
1.90 x 1027 kg. About how many times
heavier than Jupiter is the Sun?
A. about 2 times
B. about 10 times
C. about 100 times
D. about 1,000 times
11. Which list shows the numbers arranged
from greatest to least?
11
7, 2.074, 2.1,
5
11
C. 2.074, 2.1, , 7
5
11
B. 2.074, 7, 2.1,
5
11
D. 2.074, 2.1, 7,
5
A.
10 x
12. Which expression is equivalent to
?
5
A.
B.
10 x 5
50x
C. 25x
D. 2 x 5
13. Which expression is closest to
(5.73 x 10–3)2 ?
A. 0.01146
B. 3.28 x 10–5
C. 32,832,900
D. 3.28 x 10–6
14. Which set of numbers is ordered
from least to greatest?
A.
27
17
, 19, 4.31,
6
4
B.
17
27
, 19, 4.31,
4
6
C.
17
27
, 4.31, 19,
4
6
D.
17
27
, 4.31,
, 19
4
6
15. If the value of the variable x is
positive, simplify the expression.
7 2x  5 2x  2x
A. 11 2x
C. 12 2x
B. 13 2x
D. 11 6x
The Answers
2
1. If x ≠ , which expression is equivalent to
3
3x 2  13x  10
9 x  12 x  4
2
?
A. 3x – 2
C. –6x2 + x – 6
B. x + 5
D. –6x2 + 25x – 14
2. Which set of numbers is ordered
from greatest to least?
15
9
, 5, , 2.49
A.
7
5
15 9
C. 2.49, 5, ,
7 5
9
15
15 9
B.
, , 5, 2.49 D. 2.49, 5, ,
5 7
7 5
3. A cubic millimeter of human blood contains
about 5 x 106 red blood cells. An adult
human body may contain about 5 x 106
cubic millimeters of blood. About how many
red blood cells does such a human body
contain?
A.about 5 x 106
C. about 2.5 x 1012
A.about 25 x 106
D. about 2.5 x 1013
4. Which expression is equivalent to
A. 8x24
B. 8x12
C. 64x12
D. 64x8

2x
4
?
6
15
x
5. Which expression is equivalent to
?
15
A.
x 15
x
15
B.
15
x
C.
15
D.
x
6. What is the value of
49
16 ?

64
49
17
A.
56
C. 33
15
81
B.
56
D. 1377
3136
7. Which expression is closest to
(7.08 x 10–7)(4.033 x 1029)?
A. 1.76 x 1022
B. 1.76 x 1023
C. 2.86 x 1022
D. 2.86 x 1023
8. Which statement best describes the values
of the numbers in this set?

 64 81 100 

,
,


23 

 15 19

A. They are between 1 and 1.5.
B. They are between 1.5 and 2.
C. They are between 2 and 2.5.
D. They are between 2.5 and 3.
9. If the value of the variable y is positive,
what is the sum of
3 7y and 7 y ?
A.
3 7y
C. 3 14y
B.
4 7y
D. 4 14y
10. The mass of the Sun is estimated to be
about 1.99 x 1030 kg, and the mass of
Jupiter is estimated to be about
1.90 x 1027 kg. About how many times
heavier than Jupiter is the Sun?
A. about 2 times
B. about 10 times
C. about 100 times
D. about 1,000 times
11. Which list shows the numbers arranged
from least to greatest?
11
7, 2.074, 2.1,
5
11
C. 2.074, 2.1, , 7
5
11
B. 2.074, 7, 2.1,
5
11
D. 2.074, 2.1, 7,
5
A.
10 x
12. Which expression is equivalent to
?
5
A.
B.
10 x 5
50x
C. 25x
D. 2 x 5
13. Which expression is closest to
(5.73 x 10–3)2 ?
A. 0.01146
B. 3.28 x 10–5
C. 32,832,900
D. 3.28 x 10–6
14. Which set of numbers is ordered
from least to greatest?
A.
27
17
, 19, 4.31,
6
4
B.
17
27
, 19, 4.31,
4
6
C.
17
27
, 4.31, 19,
4
6
D.
17
27
, 4.31,
, 19
4
6
15. If the value of the variable x is
positive, simplify the expression.
7 2x  5 2x  2x
A. 11 2x
C. 12 2x
B. 13 2x
D. 11 6x