Name: ________________________
Class: ___________________
Date: __________
ID: A
Algebra I Honors Mini-MAFS 8 (To be given after 6-6)
MAFS.912.N-RN.1.1, MAFS.912.N-RN.1.2, MAFS.912.A-APR.1.1
Multiple Choice
Identify the choice that best completes the statement or answers the question.
____
1. What is the product of (3x – 1)(x + 4)?
a.
____
____
12x2 – 7x – 4
2
a.
5y + 12xy + 30
b.
14y + 12xy + 22
c.
3x2 – 11x – 4
d.
c.
5y + 24xy + 30
d.
5y + 12xy − 14
c.
d.
{–x + 1, 0, x – 1}
{–2x2 + 2, 0, 2x2 – 2}
3x2 + 11x – 4
2
2
2
3. Which set is NOT closed under addition?
{4, y, 4y}
{–3y, 0, 3y}
ÊÁ 4
4. For the rectangle shown, w = ÁÁÁÁ
ÁË 9
a.
b.
____
b.
2. What is (6y 2 + 18xy + 8) – (y 2 + 6xy – 22)?
a.
b.
____
3x2 – 11x + 4
1
square inch
6
2
square inch
9
5. What is
27
9
a.
1
ˆ˜
˜˜
˜˜
˜¯
1
2
ÊÁ 1
inch and h = ÁÁÁÁ
ÁË 2
c.
d.
ˆ˜ 2
˜˜ inch. What is the area of the rectangle?
˜˜
˜¯
1
square inch
3
1
square inch
18
2
3
1
2
simplified?
b.
3
c.
1
4
d.
9
Name: ________________________
____
ID: A
4
3
6. Zena evaluated 8 . Her work is shown.
8
4
3
ÁÊ 3
˜ˆ ÁÊ 3
˜ˆ ÁÊ 3
˜ˆ ÁÊ 3
˜ˆ
= ÁÁÁÁ 8 ˜˜˜˜ ÁÁÁÁ 8 ˜˜˜˜ ÁÁÁÁ 8 ˜˜˜˜ ÁÁÁÁ 8 ˜˜˜˜
Ë
¯Ë
¯Ë
¯Ë
¯
= (4 ) (4 ) (4 ) (4 )
=4
4
= 256
Which statement best describes the error that Zena made?
a.
b.
c.
d.
____
Ê 4 ˆ2
7. What is ÁÁÁÁ 4x ˜˜˜˜
Ë
¯
a.
____
The cube root of 8 is 2, not 4.
Four raised to the power of 4 is 64, not 256.
4
Eight raised to the power of
is the 4th root of 8 cubed, not the cube root of 8 to
3
the power of 4.
4
To simplify eight raised to the power of , the exponent should be evaluated before
3
the root.
4x
9
ÊÁ 3
ˆ
Á
9 ˜
˜
• ÁÁÁ x ˜˜˜ simplified?
Á
˜
Ë
¯
b.
4x
12
c.
16x
11
d.
16x
24
ÊÁ x
ˆ 2x
Á
7 ˜
˜
8. Which is the best conjecture for the most restrictive set of numbers that ÁÁÁ 6 ˜˜˜ belongs to?
Á
˜
Ë
¯
a. The whole numbers
c. The integers
b. The irrational numbers
d. The rational numbers
2
Name: ________________________
____
ID: A
ÊÁ
ˆ˜ 2
1
ÁÁ
˜˜
ÁÁ
˜
1
ÁÁ 9x 4 y ˜˜˜
2
−4
Á
˜
9. Fred simplified the expression ÁÁÁ 3 ˜˜˜ • x and got 9xy . His work is shown.
ÁÁ y
˜˜
ÁÁ
˜˜
ÁÁ
˜˜
ÁË
˜¯
ÊÁ
ˆ˜ 2
1
ÁÁ
˜˜
2
ÁÁ
˜
1
ÁÊÁ 1
˜ˆ˜
1
ÁÁ 9x 4 y ˜˜˜
Á
˜
ÁÁ
˜˜ • x 2 = ÁÁÁ 9x 4 y −2 ˜˜˜ • x 2
ÁÁ 3 ˜˜
ÁÁ
˜˜
ÁÁ y
˜˜
ÁÁ
˜˜
ÁÁ
˜˜
ÁÁ
˜˜
ÁÁ
˜˜
Ë
¯
ÁË
˜¯
2
ÁÊÁ 1
˜ˆ
1
1
ÁÁ 4 −2 ˜˜˜
ÁÁ 9x y ˜˜ • x 2 = 9x 4
ÁÁ
˜˜
ÁÁ
˜˜
ÁÁ
˜˜
Ë
¯
1
2
9x y
−4
•x
1
2
= 9xy
•2
y
−2 •2
•x
1
2
−4
Fred’s answer is NOT correct. Which statement best describes his mistake?
a.
b.
c.
d.
Fred
Fred
Fred
Fred
did
did
did
did
not
not
not
not
correctly
correctly
correctly
correctly
apply
apply
apply
apply
the
the
the
the
Distributive Property.
Quotient of Powers Property.
Product of Powers Property.
Power of a Product Property.
3
ID: A
Algebra I Honors Mini-MAFS 8 (To be given after 6-6)
MAFS.912.N-RN.1.1, MAFS.912.N-RN.1.2, MAFS.912.A-APR.1.1
Answer Section
MULTIPLE CHOICE
1. ANS:
MSC:
2. ANS:
MSC:
3. ANS:
MSC:
4. ANS:
MSC:
5. ANS:
MSC:
6. ANS:
MSC:
7. ANS:
MSC:
8. ANS:
MSC:
9. ANS:
MSC:
D
DOK
A
DOK
A
DOK
A
DOK
B
DOK
A
DOK
C
DOK
A
DOK
D
DOK
PTS: 1
STA: MAFS.912.A-APR.1.1
PTS: 1
STA: MAFS.912.A-APR.1.1
PTS: 1
STA: MAFS.912.A-APR.1.1
PTS: 1
STA: MAFS.912.N-RN.1.1
PTS: 1
STA: MAFS.912.N-RN.1.1
PTS: 1
STA: MAFS.912.N-RN.1.1
PTS: 1
STA: MAFS.912.N-RN.1.2
PTS: 1
STA: MAFS.912.N-RN.1.2
PTS: 1
STA: MAFS.912.N-RN.1.2
1
2
2
2
2
3
2
3
3
1