Transcript EOC PowerPoint # 7 (spi 3102.2.1)

EOC Practice #7
SPI 3102.2.1
EOC Practice #7
• Operate (add, subtract, multiply,
divide, simplify, powers) with radicals
and radical expressions including
radicands involving rational numbers
and algebraic expressions.
1. If the value of the variable x is
positive, what is the sum of 7 3x
and 3x ?
A. 7 3x
C. 7 6 x
B. 8 3x
D. 8 6 x
2. What is the value of the following
expression?
36
25

49
64
A.
B.
1079
3136
11
C.
15
83
56
D. 13
56
3. Write 75 in simplest radical form.
A.
5 3
C.
3 5
B.
15 5
D.
5 15
4. Which expression is equivalent
to

5x 2
?
4
A. 5x4
C. 25x8
B. 25x4
D. 625x8
5. Which expression is equivalent
to 10x ?
5
A. 2 x 5
C. 5x 2
B. 10 x 5
D.
10x
25
6. What is the product of 2 3 and
3 5 ?
A.
5 15
C.
5 8
B.
6 8
D.
6 15
4
5
7. Write 18 x y in simplest radical
form.
A.
B.
2
2
2
2
2x y
3x y
3y
C. 2 xy 3 y
6y
2
D.
3x y
2
2
2y
2
8. If x ≠  , which expression is
3
2
equivalent to 3x  20 x  12 ?
9 x  12 x  4
2
A. x + 6
C. –6x2 + 8x – 8
B. 3x + 2
D. 12x2 + 32x + 16
The Answers
1. If the value of the variable x is
positive, what is the sum of 7 3x
and 3x ?
A. 7 3x
C. 7 6 x
B. 8 3x
D. 8 6 x
2. What is the value of the following
expression?
36
25

49
64
A.
B.
1079
3136
11
C.
15
83
56
D. 13
56
3. Write 75 in simplest radical form.
A.
5 3
C.
3 5
B.
15 5
D.
5 15
4. Which expression is equivalent
to

5x 2
?
4
A. 5x4
C. 25x8
B. 25x4
D. 625x8
5. Which expression is equivalent
to 10x ?
5
A. 2 x 5
C. 5x 2
B. 10 x 5
D.
10x
25
6. What is the product of 2 3 and
3 5 ?
A.
5 15
C.
5 8
B.
6 8
D.
6 15
4
5
7. Write 18 x y in simplest radical
form.
A.
B.
2
2
2
2
2x y
3x y
3y
C. 2 xy 3 y
6y
2
D.
3x y
2
2
2y
2
8. If x ≠  , which expression is
3
2
equivalent to 3x  20 x  12 ?
9 x  12 x  4
2
A. x + 6
C. –6x2 + 8x – 8
B. 3x + 2
D. 12x2 + 32x + 16