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Unit A Review 2020 Flashcards | StudBud
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Unit A Review 2020
Unit A Review 2020
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1
What cut the bush 8 u 1/2 in in 5 weeks. What is the rate of change?
1 u 7/10
42 u 1/2
-42 u 1/2
-1 u 7/10
2
What equals -4.46?
Sum of (-1.96) + 2.5
Sum of (- 1.96)+ (-2.5)
Sum of 1.96 + (-2.5)
Sum of 1.96 + 2.5
3
A room needs 1000 u 1/5 ft^2 of carpenting for a room. For 20 rooms of the same size, how much carpenting is needed?
200, 004 ft2
500.01 ft2
20,004 ft2
50.01 ft2
4
Order from least to greatest
(-3.2)(-2.1) < -4 u 2/7 - (-1 u 8/9) < -7/ 2.4 < 5 u 2/ 7 + ( -8 u 4/11)
-7/ 2.4 < - 4 u 2/ 7 - (-1 u 8/9) < 5 u 2/ 7 + ( -8 u 4/11) < (-3.2)(-2.1)
5 u 2/ 7 + ( -8 u 4/11) < -7/ 2.4 < - 4 u 2/ 7 - (-1 u 8/9) < (-3.2)(-2.1)
None of the above
5
What are points A and B? (Insert Table)
A is 10.4. B is 10.8
None of the above
A is 10.8. B is 10.4.
A is 10.5. B is 10.9.
6
How do you represent a gain of scoring 5 runs in a baseball inn?
1/5 runs
-5 runs
- 1/ 5 runs
None of the above
7
______ is a positive Rational number. ______ is a negative Rational number.
2/ 7 ; -5/ -11
3/ 8 ; -3 / -7
-2/-5; -4/ 3
-9/ -11; 12/ -17
8
A runner runs down a mountain. 55 ft in 5 sec. The average change in elevation is _______.
11 s/ ft
-11 s/ ft
- 11 ft/ s
11 ft/ s
9
(3.8)(-6) is ______. (-4.7)(-5) is ______.
-23.5 is the first blank; 22.8 is the second blank.
23.5 is first blank. -22.8 is second blank.
-22.8 is the first one; 23.5 is the second one
22.8 is the first blank; - 23.5 is the second blank.
10
What is the opposite of 15 u 1/6?
51 u 1/6
- 15 u 1/ 6
15 u 1/6
-51 u 1/6
11
Put in order of largest to smallest.
8 u 4/5 + (-1 u 2/5) > 4 u 1/6 + 3 u 2/7 > 2 u 2/ 9 + 4 u 8/ 9
2 u 2/ 9 + 4 u 8/ 9 > 8 u 4/5 + (-1 u 2/5) > 4 u 1/6 + 3 u 2/7
4 u 1/6 + 3 u 2/7 > 8 u 4/5 + (-1 u 2/5) > 2 u 2/ 9 + 4 u 8/ 9
None of the above
12
The speed of the car decreases by 3.8 m/s. After one week (7 days), what is the net change?
-3.8 m/s
3.8 m/s
-26.6 m/s
26.6 m/s
13
Kyra scuba dives 10 ft below the surface. Brook scuba dives 12 ft below. What is the height with respect to sea level?
Kyra= - 10 ft; Brook= - 12 ft
Kyra= 10 ft; Brook= 12 ft
Kyra= - 12 ft; Brook= - 10
Brook= 12 ft; Kyra= 10 ft
14
A cooler has 72 pop cans.8 people at a picnic,how many cans per person? How many cans per person if 10 more people came?
8 for the first question; 18 for the second
9 for the first; 4 for the second
4 for the first question; 9 for the second
None of the above
15
The temp in the room is 70.4 degrees F. The outside temp is -2.4 degrees F. How much warmer is it inside than outside?
None of the above
72.1 degrees F
68.1 degrees F
72.8 degrees F
16
Brook needs 4 u 1/4 m to make a blanket. How much is needed for 19 blankets?
80 u 3/4 or 80.75
None of the above
80 u 3/4
- 80.75
17
Which best explains +8?
$8 birthday gift
up 8 floors
$8 deposit in bank
All of the above
18
Bob spent $502 on food,$613 on hotel,+$1500 on entertainment for vacation.His last paycheck was $3125,he has _left over
-$510
$1123
$2623
$510
19
longitude of city A= 82.9, latitude of city A= 4.3.Longitude of city B= 94.3. Latitude=-31.6.Net change from City A to B
- 35. 9 longitude; - 11.4 latitude
11.4 longitude; 35.9 latitude
-11.4 longitude; -35.9 latitude
35.9 longitude; 11.4 latitude
20
A baseball card was worth $2.50 in 1983. Today, in 2020, it is worth $331.25. What is the net change?
-$328.75
$328.75
-$333.75
$333.75
21
Mike has a height of 60.1 in. Deb has a height of 59.4 in.
1; 3
3; 4
1; 2
1; 4
22
The bank credits $50.25 a year towards the cost of a checking account. What is the net change after 6 years?
-$56.25
-$301.50
$ 56.25
$ 301.50
23
It is 71.2 degrees F in Orlando in the morning. By evening, it increases by 14.4 degrees F. What is the evening temp?
56.8 degrees F
- 85.6 degrees F
- 56.8 degrees F
85.6 degrees F
24
The height of the mountain is 672 u 1/8 ft. What is the net change if you hiked up three mountain ranges this height?
-669 u 1/8 ft
2,007 u 3/4 ft
669 u 1/8 ft
-2007 u 3/4 ft
25
What is the product of (3/7)(-2)(-8)(-9/11)?
None of the above
-10 u 30/ 77
5 u 47/ 77
- 5 u 47/ 77
26
Deb goes on a vacation(Fri-Sun).On Fri, she spends $25.75 on dinner.Each day,she spends $3.50 more on. Amt spent on sun?
$ 87.75
None of the above
$ 31. 75
$32.75
27
Which point represents -4 u 3/4?
B
C
A
D
28
Bob sells 21 cars. He gets $ 275 of commission for each car?
$ 5775
$5479
$ 296
$ 5500
29
The # of pencils produced is decreasing.The # of pencils made has dropped by 2.2 pencils over 6 days.Avg rate of change?
-2.2
-0.37
0.37
2.2
30
The height of the mountain is 672 u 1/ 8 ft. What is the net change if you hiked up three mountain ranges this height?
2, 007 u 3/4 ft
-2007 u 3/4 ft
- 669 u 1/8 ft
669 u 1/8 ft
