Question 1

Which of the following is an identity?

Accepted Answer

2x − 6y = 2(x − 3y)

Answer

2x + 6y = 12xy

Answer

2x − 6y = 2(x + 3y)

Answer

2x + 6y = 8xy

Question 2

If3(x - M) ≡ 6Nx - 9, where M and N are constants, find N. Just type the number.

Accepted Answer

+0.5

Question 3

Which of the following is an identity?

Accepted Answer

4x − 8x = 6x − 10x

Answer

8x − 4x = 16x − 10x

Answer

4x + 8x = 6x + 10x

Answer

8x − 4x = 6x − 10x

Question 4

If Ax² + Bx ≡ 6x² - 5x, where A and B are constants, find A. Just type the number.

Accepted Answer

+6

Question 5

If 7y - 4= cy + d, where c and d are constants, find c and d.

Accepted Answer

c = 7, d = −4

Answer

c = 7, d = 4

Answer

c = 4, d = 7

Answer

c = 4, d = −7

Question 6

Refer to the picture.

Accepted Answer

I and III only

Answer

I, II and III

Answer

II and III only

Answer

I and II only

Question 7

If3(x - M) ≡ 6Nx - 9, where M and N are constants, find M. Just type the number.

Accepted Answer

3

Question 8

If 5x+ 7 = p + qx, where p and q are constants, find p and q.

Accepted Answer

p = 7, q = 5

Answer

p = 5, q = 7

Answer

p = -7, q = -5

Answer

p = -5, q = -7

Question 9

If 3x(x− A) + x ≡ 3x² − 5x, where A is a constant, find A.

Accepted Answer

2

Answer

-2

Answer

$-\frac{5}{3}$

Answer

$-\frac{5}{3}$

Question 10

If 2x(x− 2A) ≡ 2x² − 4x, where A is a constant, find A.

Accepted Answer

1

Answer

-2

Answer

2

Answer

-1

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