Algebra Test 14

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Algebra Test 14

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Question 1/30
1 / -0

Directions For Questions

25

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x - 15 = 10?

Correct

Wrong

Skipped
A
5

Correct

Wrong

Skipped
B
-5

Correct

Wrong

Skipped
C
10

Correct

Wrong

Skipped
D
25

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Solutions
25
Question 2/30
1 / -0

Directions For Questions

4/663

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Two cards are drawn at random from a standard deck of 52 cards, without replacement. What is the probability of drawing a 7 and a king in that order?

Correct

Wrong

Skipped
A
4/663

Correct

Wrong

Skipped
B
4/256

Correct

Wrong

Skipped
C
4/52

Correct

Wrong

Skipped
D
4/51

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Solutions
4/663
Question 3/30
1 / -0

Directions For Questions

(x 12) and (x-3)

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The factors of x

Correct

Wrong

Skipped
A
(x 12) and (x 3)

Correct

Wrong

Skipped
B
(x-12)and (x-3)

Correct

Wrong

Skipped
C
(x 12) and (x-3)

Correct

Wrong

Skipped
D
(x-12) and (x 3)

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Solutions
(x 12) and (x-3)
Question 4/30
1 / -0

Directions For Questions

-6

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4 - 10 ?

Correct

Wrong

Skipped
A
-40

Correct

Wrong

Skipped
B
-6

Correct

Wrong

Skipped
C
6

Correct

Wrong

Skipped
D
14

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Solutions
-6
Question 5/30
1 / -0

Directions For Questions

6

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18 - 6 * 2 =?

Correct

Wrong

Skipped
A
12

Correct

Wrong

Skipped
B
6

Correct

Wrong

Skipped
C
20

Correct

Wrong

Skipped
D
18

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Solutions
6
Question 6/30
1 / -0

Directions For Questions

The probability of pulling a red face card from a standard deck of cards is . Correct

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Which statement is false?

Correct

Wrong

Skipped
A
The probability of pulling a red face card from a standard deck of cards is . Correct

Correct

Wrong

Skipped
B
A person flips a coin 10 times in a row and gets 9 heads. The probability of getting a head on the next flip is 50%.

Correct

Wrong

Skipped
C
When the number of trials is large, experimental probability is similar to theoretical probability.

Correct

Wrong

Skipped
D
Twenty cards are randomly chosen from a standard deck (with replacement). A person tries to guess the colour of each card. The probability that they get each wrong is the same as the probabil

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Solutions
The probability of pulling a red face card from a standard deck of cards is . Correct
Question 7/30
1 / -0

Directions For Questions

1

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Solve for x: (5x 1)/2 (x-2)/3=(8x 8)/6

Correct

Wrong

Skipped
A
-1

Correct

Wrong

Skipped
B
2

Correct

Wrong

Skipped
C
-2

Correct

Wrong

Skipped
D
1

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Solutions
1
Question 8/30
1 / -0

Directions For Questions

5/26

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An urn contains 6red, 5 blue and 2 green marbles. If 2 marbles are picked at random, what is the probability that both are red?

Correct

Wrong

Skipped
A
5/13

Correct

Wrong

Skipped
B
6/13

Correct

Wrong

Skipped
C
5/26

Correct

Wrong

Skipped
D
7/26

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Solutions
5/26
Question 9/30
1 / -0

Directions For Questions

24

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50 - 10(4 - 2) 6 =?

Correct

Wrong

Skipped
A
24

Correct

Wrong

Skipped
B
48

Correct

Wrong

Skipped
C
36

Correct

Wrong

Skipped
D
6

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Solutions
24
Question 10/30
1 / -0

Directions For Questions

60

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3(6 4)(5 - 3) =?

Correct

Wrong

Skipped
A
60

Correct

Wrong

Skipped
B
66

Correct

Wrong

Skipped
C
61

Correct

Wrong

Skipped
D
67

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Solutions
60
Question 11/30
1 / -0

Directions For Questions

-3

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8 - 3x = 17?

Correct

Wrong

Skipped
A
3

Correct

Wrong

Skipped
B
6

Correct

Wrong

Skipped
C
-25/3

Correct

Wrong

Skipped
D
-3

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Solutions
-3
Question 12/30
1 / -0

Directions For Questions

140

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The coefficient of mn,if 49m

Correct

Wrong

Skipped
A
70

Correct

Wrong

Skipped
B
140

Correct

Wrong

Skipped
C
490

Correct

Wrong

Skipped
D
-70

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Solutions
140
Question 13/30
1 / -0

Directions For Questions

4years ,28 years

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Remma is one seventh as odd as her cousin. In 8 years she will be one as odd as her cousin. Their present ages are ?

Correct

Wrong

Skipped
A
5 years , 35 years

Correct

Wrong

Skipped
B
4years ,28 years

Correct

Wrong

Skipped
C
6 years 42 years

Correct

Wrong

Skipped
D
2 years ,14 years

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Solutions
4years ,28 years
Question 14/30
1 / -0

Directions For Questions

60

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How many different 5-letter arrangements are there of the letters in the word DIGIT?

Correct

Wrong

Skipped
A
120

Correct

Wrong

Skipped
B
60

Correct

Wrong

Skipped
C
5

Correct

Wrong

Skipped
D
30

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Solutions
60
Question 15/30
1 / -0

Directions For Questions

c4

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Divide: c

Correct

Wrong

Skipped
A
c8

Correct

Wrong

Skipped
B
c3

Correct

Wrong

Skipped
C
c12

Correct

Wrong

Skipped
D
c4

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Solutions
c4
Question 16/30
1 / -0

Directions For Questions

(8x - 5)(x - 1)

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8x

Correct

Wrong

Skipped
A
(8x - 5)(x - 1)

Correct

Wrong

Skipped
B
(8x 1)(x - 5)

Correct

Wrong

Skipped
C
(2x - 1)(4x - 5)

Correct

Wrong

Skipped
D
(2x - 5)((4x - 1)

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Solutions
(8x - 5)(x - 1)
Question 17/30
1 / -0

Directions For Questions

4

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x x 2 = 8?

Correct

Wrong

Skipped
A
4

Correct

Wrong

Skipped
B
2

Correct

Wrong

Skipped
C
16

Correct

Wrong

Skipped
D
none

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Solutions
4
Question 18/30
1 / -0

Directions For Questions

0

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4(0)?

Correct

Wrong

Skipped
A
0

Correct

Wrong

Skipped
B
4

Correct

Wrong

Skipped
C
-4

Correct

Wrong

Skipped
D
undefined
Question 19/30
1 / -0

Directions For Questions

7/8

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11x - 5 = 3x 2?

Correct

Wrong

Skipped
A
1

Correct

Wrong

Skipped
B
7/8

Correct

Wrong

Skipped
C
-3/8

Correct

Wrong

Skipped
D
15

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Solutions
7/8
Question 20/30
1 / -0

Directions For Questions

2x2-4x

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The sum of two binomials is 5x2-6x. If one of the binomials is 3x2-2x, what is the other binomial?

Correct

Wrong

Skipped
A
8x2 4x

Correct

Wrong

Skipped
B
2x2-4x

Correct

Wrong

Skipped
C
8x2-8x

Correct

Wrong

Skipped
D
2x2-8x

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Solutions
2x2-4x
Question 21/30
1 / -0

Directions For Questions

a 6b

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The expression (4a 2b) - (2a - 3b) - (a - b) when simplified is?

Correct

Wrong

Skipped
A
6a 6b

Correct

Wrong

Skipped
B
a 6b

Correct

Wrong

Skipped
C
6b

Correct

Wrong

Skipped
D
-2b

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Solutions
a 6b
Question 22/30
1 / -0

Directions For Questions

5/54

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Derek throws three dice in a special game. If it knows that he needs 15 or higher in this throw to win, then find the chance of his winning the game?

Correct

Wrong

Skipped
A
15/216

Correct

Wrong

Skipped
B
13/216

Correct

Wrong

Skipped
C
17/216

Correct

Wrong

Skipped
D
5/54

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Solutions
5/54
Question 23/30
1 / -0

Directions For Questions

625

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On a certain product survey company randomly called 200 people to get their opinion, 125 liked the product Of the 200 people and 75 did not like it . how many people should like the product out of 1000 people If this same trend continues ?

Correct

Wrong

Skipped
A
475

Correct

Wrong

Skipped
B
550

Correct

Wrong

Skipped
C
625

Correct

Wrong

Skipped
D
550

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Solutions
625
Question 24/30
1 / -0

Directions For Questions

2(a-6b)(a 6b)

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The factors of 2a

Correct

Wrong

Skipped
A
(2a-6b)(a 6b)

Correct

Wrong

Skipped
B
2(a-6b)(a 6b)

Correct

Wrong

Skipped
C
(2a-9b)(a 8b)

Correct

Wrong

Skipped
D
2(a 4b)(a-4b)

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Solutions
2(a-6b)(a 6b)
Question 25/30
1 / -0

Directions For Questions

( 3,1 )

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2y-x>=-6 2y-3x<-6

Correct

Wrong

Skipped
A
(4,3)

Correct

Wrong

Skipped
B
( 3,1 )

Correct

Wrong

Skipped
C
( -4,-1)

Correct

Wrong

Skipped
D
(0,-3 )

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Solutions
( 3,1 )
Question 26/30
1 / -0

Directions For Questions

(x - 12)(x 2)

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x

Correct

Wrong

Skipped
A
(x - 6)(x - 4)

Correct

Wrong

Skipped
B
(x - 12)(x 2)

Correct

Wrong

Skipped
C
(x - 2)(x 12)

Correct

Wrong

Skipped
D
(x - 6)(x 4)

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Solutions
(x - 12)(x 2)
Question 27/30
1 / -0

Directions For Questions

12

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30 x = 42?

Correct

Wrong

Skipped
A
72

Correct

Wrong

Skipped
B
12

Correct

Wrong

Skipped
C
42

Correct

Wrong

Skipped
D
46

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Solutions
12
Question 28/30
1 / -0

Directions For Questions

3

...view full instructions

-12/-4?

Correct

Wrong

Skipped
A
3

Correct

Wrong

Skipped
B
-8

Correct

Wrong

Skipped
C
-16

Correct

Wrong

Skipped
D
-3

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Solutions
3
Question 29/30
1 / -0

Directions For Questions

2x - 15

...view full instructions

Fifteen less than twice a number?

Correct

Wrong

Skipped
A
2x - 15

Correct

Wrong

Skipped
B
15 - 2x

Correct

Wrong

Skipped
C
2x 15

Correct

Wrong

Skipped
D
None of the above.

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Solutions
2x - 15
Question 30/30
1 / -0

Directions For Questions

.254

...view full instructions

At a certain intersection, the light for eastbound traffic is red for 15 seconds, yellow for 5 seconds, and green for 30 seconds. Find the probability that out of the next eight eastbound cars that arrive randomly at the light, exactly three will be stopped by a red light?

Correct

Wrong

Skipped
A
.254

Correct

Wrong

Skipped
B
.245

Correct

Wrong

Skipped
C
.425

Correct

Wrong

Skipped
D
.524

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Solutions
.254

Question 1/30

5

-5

10

25

Question 2/30

4/663

4/256

4/52

4/51

Question 3/30

(x 12) and (x 3)

(x-12)and (x-3)

(x 12) and (x-3)

(x-12) and (x 3)

Question 4/30

-40

-6

6

14

Question 5/30

12

6

20

18

Question 6/30

The probability of pulling a red face card from a standard deck of cards is . Correct

A person flips a coin 10 times in a row and gets 9 heads. The probability of getting a head on the next flip is 50%.

When the number of trials is large, experimental probability is similar to theoretical probability.

Twenty cards are randomly chosen from a standard deck (with replacement). A person tries to guess the colour of each card. The probability that they get each wrong is the same as the probabil

Question 7/30

-1

2

-2

1

Question 8/30

5/13

6/13

5/26

7/26

Question 9/30

24

48

36

6

Question 10/30

60

66

61

67

Question 11/30

3

6

-25/3

-3

Question 12/30

70

140

490

-70

Question 13/30

5 years , 35 years

4years ,28 years

6 years 42 years

2 years ,14 years

Question 14/30

120

60

5

30

Question 15/30

c8

c3

c12

c4

Question 16/30

(8x - 5)(x - 1)

(8x 1)(x - 5)

(2x - 1)(4x - 5)

(2x - 5)((4x - 1)