Quiz about algebra

Question 1

3a + 2b + 3 a =

Accepted Answer

6a + 2b

Answer

8a

Answer

8b

Answer

5a + 3a

Question 2

3x + 2 + 3x =

Accepted Answer

6x+2

Answer

8x

Answer

2x

Answer

3x+2

Question 3

2x + 2 + 2x =

Accepted Answer

4x + 2

Answer

6x

Answer

2 - x

Answer

4x

Question 4

Solve for x.
2x + 1 = 5

Accepted Answer

x = 2

Answer

x = 1

Answer

x = 3

Answer

x = 13

Question 5

12 x M = 48, What does M =

Accepted Answer

4

Answer

3

Answer

5

Answer

6

Question 6

six times the number of girls
Let g = number of girls

Accepted Answer

6g

Answer

6 + g

Answer

g - 6

Question 7

7 less than a number d

Accepted Answer

d - 7

Answer

7 - d

Question 8

The total of b and 14

Accepted Answer

14 + b

Answer

14 - b

Answer

14/b

Answer

b - 14

Question 9

5e - 2 + 3e

Accepted Answer

8e - 2

Answer

8e + (-2)

Answer

8e + 2

Answer

2e - 2

Question 10

4(-p - 6)

Accepted Answer

-4p - 24

Answer

4p - 24

Answer

4p + 24

Answer

-4p + 24

Question 11

Opera:
(x²+5x-2)(4x+3) =

Accepted Answer

4x³+23x²+7x-6

Answer

4x³+3x²+7x-6

Answer

x³+23x²+7x-6

Question 12

Opera y reduce:

3x(2x²-4x+2)-(5x² -7x -8)=

Accepted Answer

6x³ -17x² + 13x + 8

Answer

x² - 19x - 2x

Answer

6x³ + 7x² - 13x + 8

Answer

5x³ - 19x² - x - 8

Question 13

Multiplica: 2x(x+1)

Accepted Answer

2x2 + 2x

Answer

2x

Answer

2x+2

Answer

2x3 +1

Question 14

Simplify (3a³b³)(4ab²)²

Accepted Answer

48a5b7

Answer

144a⁴b⁵

Answer

144a⁶b¹²

Answer

48a⁸b¹⁰

Question 15

Expand and simplify (x + 2)³

Accepted Answer

x³+ 6x²+ 12x+ 8

Answer

x3 + 8

Answer

x³+ 6x²+ 8

Answer

x³+ 4x²+ 8x+ 8

Question 16

Factor x³y - 4xy

Accepted Answer

xy(x - 2)(x + 2)

Answer

x(x²y - 4y)

Answer

x²(xy - 4y)

Answer

xy(x² - 4)

Question 17

Simplify (x²+ 3x + 2)/(x²- x - 2)

Accepted Answer

(x + 2)/(x - 2)

Answer

cannot be simplified

Answer

(x(x + 3) + 2)/(x(x - 1) - 2)

Answer

(x + 3)/(x - 1)

Question 18

Solve the equation x²- x - 12 = 0

Accepted Answer

-3, 4

Answer

12

Answer

1, 12

Answer

3, -4

Question 19

True or false? 1/(x - y) = 1/x - 1/y

Accepted Answer

False

Answer

True

Question 20

Simplify the expression: 7v + 2 + 12 + 2v

Accepted Answer

9v + 14

Answer

23

Answer

23v

Answer

9 + 14v

Question 21

If a = 4 and b = 6, what is the value of 3a + 5b?

Accepted Answer

42

Answer

40

Answer

44

Answer

46

Question 22

If y = 7, find the value of 2(y+4).

Accepted Answer

22

Answer

11

Answer

20

Answer

12

Question 23

Which of the following is the correct expansion of:
5(r - 2)?

Accepted Answer

5r - 10

Answer

5r - 2

Answer

5r +2

Answer

5r + 10

algebra

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