Unit 2 Test Review 4. Evaluate (−8)

Unit 2 Test Review
1.
list of number is in order
from greatest to least?
B. 5,
A.
B.
C.
D.
3
9
, 3, , 5
4
4
9
3
, 3, , 0, -7
4
4
C. 5, 3,
9 3
, , 0, -7
4 4
D. -7, 5,
9 3
, , 3, 0
4 4
(−8)2
friends started savings
accounts at the same time, with the
same initial deposit. After 2 months,
Sam’s account shows a decrease of
$76.54. Drew’s account shows an
increase of $57.48. Kaiden’s account
shows a total change of $104.35
greater than Sam’s account. List the
friends in order of least to greatest
balance. Choose the correct answer
below.
Drew, Sam, Kaiden
Drew, Kaiden, Sam
Kaiden, Sam, Drew
Sam, Drew, Kaiden
(6.3D) Evaluate
15 − 8
A.
B.
C.
D.
30
47
−30
−14
the expression −37 +
16
64
−16
−64
5. (6.3D) Thursday the mailman delivered four
checks for $48 each and two utility bills for
$121.75 each. If you had a starting balance
in your checking account of $57 and you
paid these bills, what is the ending balance?
A.
B.
C.
D.
(6.2D) Three
A.
B.
C.
D.
3.
(6.3D) Evaluate
(6.2D) Which
A. -7, 0,
2.
4.
-$135
-$256.75
-$378.50
-$375
South Africa one day it was 157°F.
In Antarctica a temperature of
-45°F was
recorded. What is the difference between
these two temperatures?
6.
(6.3D) In
A. 202, because 157 − (−45) = 157 +
45
B. 112, because 157 – 45 = 157 +
(−45)
C. 110, because 157 + (−45) = 157 +
45
D. −202, because 157 – (−45) =
157 + 45
ordered pair is located
halfway between point A and the x-axis?
7.
(6.11A) Which
9. (6.2B) Which is greater?
A. The absolute value of the opposite of −87.
B. The opposite of the absolute value of −87.
A. A is greater, because 87 is greater than
−87.
B. B is greater, because 87 is greater than
−87.
C. A and B are equal, because they both
equal 87.
D. A and B are equal, because the both
equal −87.
A.
B.
C.
D.
10. (6.2B) Which of the statements is false?
(−2, −5)
(−5, −2)
(−2.5, −4)
(−4, −2.5)
I. The absolute value of a number is
never less than the given number.
8. (6.11A) Which point on the graph satisfies
1
the conditions 𝑥 is less than − 1 2 and
1
𝑦 is greater than − 2 2?
II. The absolute value of a number
sometimes equals the given
number.
III. The absolute value is sometimes
the opposite of the given number.
IV. The absolute value of a number is
always positive.
A.
B.
C.
D.
A.
B.
C.
D.
Point S
Point T
Point U
Point V
IV
I and IV
I, II and III
Not here
11. (6.3C) Which expression does the model
below represent?
=1
13. (6.2C) Hector plotted point A at -0.6, point B
at -0.25, point C at -0.55, and point D at -1.2.
Which point did he plot incorrectly?
= -1
D
A
C
B
<---|----------------|---------------|----------------|--->
-1.5
A.
B.
C.
D.
3(2)
6÷3
−3(−2)
2(−3)
12. (6.3C) Which model represents -5 + 2?
-1
A.
B.
C.
D.
-0.5
0
Point A
Point B
Point C
Point D
14. (6.2A) Classify the following three numbers
by placing them in the Venn Diagram. Some
numbers may be put into multiple categories
-45 ,
2
3
, 7.6 , 5