Algebra Test 15

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Algebra Test 15

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Question 1/30
1 / -0

Directions For Questions

x 5

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(x

Correct

Wrong

Skipped
A
x - 5

Correct

Wrong

Skipped
B
5x

Correct

Wrong

Skipped
C
5

Correct

Wrong

Skipped
D
x 5

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Solutions
x 5
Question 2/30
1 / -0

Directions For Questions

40

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47 = 7 x?

Correct

Wrong

Skipped
A
54

Correct

Wrong

Skipped
B
56

Correct

Wrong

Skipped
C
50

Correct

Wrong

Skipped
D
40

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Solutions
40
Question 3/30
1 / -0

Directions For Questions

-8

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100 - 4(7 - 4)

Correct

Wrong

Skipped
A
-2

Correct

Wrong

Skipped
B
8

Correct

Wrong

Skipped
C
-8

Correct

Wrong

Skipped
D
2

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Solutions
-8
Question 4/30
1 / -0

Directions For Questions

(4x - 5)(x - 2)

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4x

Correct

Wrong

Skipped
A
(2x 1)(2x 10)

Correct

Wrong

Skipped
B
(4x 5)(x 2)

Correct

Wrong

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

Correct

Wrong

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

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Solutions
(4x - 5)(x - 2)
Question 5/30
1 / -0

Directions For Questions

r^4-6mnr^2 9m^2n^2

...view full instructions

(r

Correct

Wrong

Skipped
A
r 3mn_4

Correct

Wrong

Skipped
B
r^4-6mnr^2 9m^2n^2

Correct

Wrong

Skipped
C
23r-5mn-7

Correct

Wrong

Skipped
D
r^3 56mn 45n

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Solutions
r^4-6mnr^2 9m^2n^2
Question 6/30
1 / -0

Directions For Questions

120

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Evaluate (9 - 4)!?

Correct

Wrong

Skipped
A
24

Correct

Wrong

Skipped
B
6

Correct

Wrong

Skipped
C
120

Correct

Wrong

Skipped
D
362,880

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Solutions
120
Question 7/30
1 / -0

Directions For Questions

115/143

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

Correct

Wrong

Skipped
A
115/197

Correct

Wrong

Skipped
B
28/197

Correct

Wrong

Skipped
C
28/143

Correct

Wrong

Skipped
D
115/143

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Solutions
115/143
Question 8/30
1 / -0

Directions For Questions

3

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(-1)

Correct

Wrong

Skipped
A
1

Correct

Wrong

Skipped
B
5

Correct

Wrong

Skipped
C
3

Correct

Wrong

Skipped
D
-3

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Solutions
3
Question 9/30
1 / -0

Directions For Questions

-5

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30/-6?

Correct

Wrong

Skipped
A
5

Correct

Wrong

Skipped
B
24

Correct

Wrong

Skipped
C
-5

Correct

Wrong

Skipped
D
-36

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Solutions
-5
Question 10/30
1 / -0

Directions For Questions

x2 - y2

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Multiply: (x y)(x - y)?

Correct

Wrong

Skipped
A
x2 - y2

Correct

Wrong

Skipped
B
x2 - 2xy y2

Correct

Wrong

Skipped
C
x2 2xy - y2

Correct

Wrong

Skipped
D
x2 y2

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Solutions
x2 - y2
Question 11/30
1 / -0

Directions For Questions

Equilateral triangle

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The point having position vectors 2i 3j 4k, 3i 4j 2k, 4i 2j 3k are the vertices of.?

Correct

Wrong

Skipped
A
Equilateral triangle

Correct

Wrong

Skipped
B
Collinear

Correct

Wrong

Skipped
C
Isosceles triangle

Correct

Wrong

Skipped
D
Right angled triangle

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Solutions
Equilateral triangle
Question 12/30
1 / -0

Directions For Questions

2x2

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A volleyball court is shaped like a rectangle. It has a width of x meters and a length of 2x meters. Which expression gives the area of the court in square meters?

Correct

Wrong

Skipped
A
2x2

Correct

Wrong

Skipped
B
3x2

Correct

Wrong

Skipped
C
2x3

Correct

Wrong

Skipped
D
3x

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Solutions
2x2
Question 13/30
1 / -0

Directions For Questions

0

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The solution of the equation 10-5(x 2)=7x is ?

Correct

Wrong

Skipped
A
5

Correct

Wrong

Skipped
B
-2

Correct

Wrong

Skipped
C
0

Correct

Wrong

Skipped
D
7
Question 14/30
1 / -0

Directions For Questions

2

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For what value of x is this expression undefined?3xyz/(2x-4)=?

Correct

Wrong

Skipped
A
2

Correct

Wrong

Skipped
B
4

Correct

Wrong

Skipped
C
0

Correct

Wrong

Skipped
D
-2

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Solutions
2
Question 15/30
1 / -0

Directions For Questions

47/120

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In a race where 12 cars are running, the chance that car X will win is 1/6, that Y will win is 1/10 and that Z will win is 1/8. Assuming that a dead heat is impossible. Find the chance that one of them will win.?

Correct

Wrong

Skipped
A
1/160

Correct

Wrong

Skipped
B
47/120

Correct

Wrong

Skipped
C
1/240

Correct

Wrong

Skipped
D
1/480

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Solutions
47/120
Question 16/30
1 / -0

Directions For Questions

10

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6 × 2 3–35 ÷ 7=?

Correct

Wrong

Skipped
A
10

Correct

Wrong

Skipped
B
25

Correct

Wrong

Skipped
C
-10

Correct

Wrong

Skipped
D
-25

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Solutions
10
Question 17/30
1 / -0

Directions For Questions

9m - 6

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The product of nine and a number, decreased by six?

Correct

Wrong

Skipped
A
6(9 - m)

Correct

Wrong

Skipped
B
9m - 6

Correct

Wrong

Skipped
C
9(m - 6)

Correct

Wrong

Skipped
D
None of the above.

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Solutions
9m - 6
Question 18/30
1 / -0

Directions For Questions

(x-a)

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If one of the factors of the expression x

Correct

Wrong

Skipped
A
(x-a)

Correct

Wrong

Skipped
B
(5-a)

Correct

Wrong

Skipped
C
(x^2-5)

Correct

Wrong

Skipped
D
x a

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Solutions
(x-a)
Question 19/30
1 / -0

Directions For Questions

1

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What is the slope of the line containing the points (-9,2) and (3,14)?

Correct

Wrong

Skipped
A
-2

Correct

Wrong

Skipped
B
-1

Correct

Wrong

Skipped
C
-8/3

Correct

Wrong

Skipped
D
1

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Solutions
1
Question 20/30
1 / -0

Directions For Questions

(3x - 2)(4x 3)

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12x2 x - 6?

Correct

Wrong

Skipped
A
(6x 1)(2x - 6)

Correct

Wrong

Skipped
B
(3x 2)(4x - 3)

Correct

Wrong

Skipped
C
(3x - 2)(4x 3)

Correct

Wrong

Skipped
D
(6x - 5)(2x 1)

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Solutions
(3x - 2)(4x 3)
Question 21/30
1 / -0

Directions For Questions

6x(x2 1)

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6x

Correct

Wrong

Skipped
A
6(x3 x)

Correct

Wrong

Skipped
B
6x(x2 1)

Correct

Wrong

Skipped
C
6(x3 1)

Correct

Wrong

Skipped
D
3x(2x2 2)

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Solutions
6x(x2 1)
Question 22/30
1 / -0

Directions For Questions

56

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78 - 22 = x?

Correct

Wrong

Skipped
A
65

Correct

Wrong

Skipped
B
50

Correct

Wrong

Skipped
C
56

Correct

Wrong

Skipped
D
57

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Solutions
56
Question 23/30
1 / -0

Directions For Questions

3a 17

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Three times a number, increased by seventeen?

Correct

Wrong

Skipped
A
3a 17

Correct

Wrong

Skipped
B
(17 3)a

Correct

Wrong

Skipped
C
3(a 17)

Correct

Wrong

Skipped
D
None of the above.

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Solutions
3a 17
Question 24/30
1 / -0

Directions For Questions

20

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The root of the equation 0.3x 5=0.7x-3 is ?

Correct

Wrong

Skipped
A
10

Correct

Wrong

Skipped
B
3.2

Correct

Wrong

Skipped
C
20

Correct

Wrong

Skipped
D
1.5

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Solutions
20
Question 25/30
1 / -0

Directions For Questions

-1

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6(2x 1) - 5x = 3x 2 ?

Correct

Wrong

Skipped
A
1/2

Correct

Wrong

Skipped
B
-1

Correct

Wrong

Skipped
C
3/4

Correct

Wrong

Skipped
D
2

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Solutions
-1
Question 26/30
1 / -0

Directions For Questions

13, 5

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The sum of two forces is 18 N and resultant whose direction is at right angles to the smaller force is 12N. The magnitude of the two forces are.

Correct

Wrong

Skipped
A
14, 4

Correct

Wrong

Skipped
B
11, 7

Correct

Wrong

Skipped
C
13, 5

Correct

Wrong

Skipped
D
12, 6

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Solutions
13, 5
Question 27/30
1 / -0

Directions For Questions

2

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What is the multiplicative inverse of 1/2 ?

Correct

Wrong

Skipped
A
-1/2

Correct

Wrong

Skipped
B
-2

Correct

Wrong

Skipped
C
2

Correct

Wrong

Skipped
D
1/2

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Solutions
2
Question 28/30
1 / -0

Directions For Questions

2x2-2x

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Which of the following expressions is equal to (x 2) (x-2)(2x 1)?

Correct

Wrong

Skipped
A
2x2-4x

Correct

Wrong

Skipped
B
2x2 x

Correct

Wrong

Skipped
C
4x2 2x

Correct

Wrong

Skipped
D
2x2-2x

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Solutions
2x2-2x
Question 29/30
1 / -0

Directions For Questions

15

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The value of (12.4*12.4-2.6*2.6)/12.4-2.6 is equal to ?

Correct

Wrong

Skipped
A
9.8

Correct

Wrong

Skipped
B
15

Correct

Wrong

Skipped
C
322.4

Correct

Wrong

Skipped
D
3.224

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Solutions
15
Question 30/30
1 / -0

Directions For Questions

4

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2 * 9 - 3(6 - 1) 1 =?

Correct

Wrong

Skipped
A
2

Correct

Wrong

Skipped
B
6

Correct

Wrong

Skipped
C
0

Correct

Wrong

Skipped
D
4

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Solutions
4

Question 1/30

x - 5

5x

5

x 5

Question 2/30

54

56

50

40

Question 3/30

-2

8

-8

2

Question 4/30

(2x 1)(2x 10)

(4x 5)(x 2)

(2x - 5)(2x - 2)

(4x - 5)(x - 2)

Question 5/30

r 3mn_4

r^4-6mnr^2 9m^2n^2

23r-5mn-7

r^3 56mn 45n

Question 6/30

24

6

120

362,880

Question 7/30

115/197

28/197

28/143

115/143

Question 8/30

1

5

3

-3

Question 9/30

5

24

-5

-36

Question 10/30

x2 - y2

x2 - 2xy y2

x2 2xy - y2

x2 y2

Question 11/30

Equilateral triangle

Collinear

Isosceles triangle

Right angled triangle

Question 12/30

2x2

3x2

2x3

3x

Question 13/30

5

-2

0

7

Question 14/30

2

4

0

-2

Question 15/30

1/160

47/120

1/240

1/480

Question 16/30

10

25

-10

-25