Download Algebra Block - Hegner`s Math

Algebra
Practice Quiz 1.1-1.3
Name:_________________________________________
Hegner
PART 1: MULTIPLE CHOICE
o Show your work for each problem, and write the letter of the correct answer on the corresponding
line.
(1)
If x=5, then 6x+2=?
A.
B.
C.
D.
(2)
(3)
(5)
(6)
4 3
r if r=3.4 and  =3.14.
3
Round your answer to the nearest tenth.
(5)____________
42.7
129.62
164.55
2884.31
3.021 1.78
=?
2  3(4.1 1.6)
A.
B.
C.
D.
(4)____________
41
67
73
146
Evaluate
A.
B.
C.
D.
(3)____________
33.41
88
88.87
279.05
Evaluate (3x)2  2y 2 if x=1 and y=4.
A.
B.
C.
D.
(2)____________
Add
Subtract
Multiply
Divide
The area of a circle is  times the square of
the radius ( A  r 2 ), where   3.14 . Find the area of
a circle whose radius is 5.32.
A.
B.
C.
D.
(4)
30
32
36
42
Which operation would you perform
first in evaluating 30  3  2  (8 1) ?
A.
B.
C.
D.
(1)____________
.089
.119
.121
.131
(6)____________
(7)
Evaluate (4a  3b)2 when a=2 and b=5.
A.
B.
C.
D.
(8)
676
529
233
None of these
Simplify the expression 3[18  6  2  7(2)] .
A.
B.
C.
D.
(7)___________
(8)____________
21
8
-6
None of these
PART 2: FREE RESPONSE
o Show your work for each problem, and write your answer on the corresponding line.
(9)
Mike rode his bike at a speed of 14 miles an hour
for 9.5 hours this week. How far did he ride this week?
(distance = rate  time, d  r  t )
(9)____________
(10)
Paulina invested $2000 dollars into an account that has an
interest rate of 7%. If she invests the money for 9 years,
how much interest will she earn?
(Interest = Principal  rate  time, I  Pr t )
(10)___________
(11)
Evaluate b6 when b=3.
(11)___________
(12)
Juan needs a cube box to send a gift in the mail.
He needs the box to have side lengths of 11 inches.
What would the volume of this box be? ( V  s3 )
(12)___________
(13)
Maria is going to tile a room in her house.
The square tiles are six inches by six inches.
What is the area of each tile? ( A  s2 )
(13)___________
(14)
Simplify the following expression.
3  7  (6  5)  23
(14)___________
(15)
Evaluate the expression 2x2 15  x
when x=4.
(15)___________
PART 3: CRITICAL THINKING/WRITTEN RESPONSE
o In the following problems you must write your answers in sentence form. Be sure to write a
thorough explanation for each problem. (3 points each)
(16)
What is the difference between the following expressions? (DO NOT JUST SAY PARENTHESIS)
expression #1: 3x3
(17)
expression #2: (3x)3
You are now the teacher! The following work was done by one of your students. The problem
was done incorrectly. Your job is to explain, in writing, to the student what he/she did wrong.
There may be more than one mistake. (DO NOT JUST DO THE PROBLEM CORRECTLY. EXPLAIN
WHAT THE MISTAKE WAS)
Line a
14  2  (7  8  3)
Line b
 14  2  (15  3)
Line c
 14  2  5
Line d
 16  7
Line e
 112
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