8/21 Equivalent Expressions

Last updated over 1 year ago

8 questions

8/21 Equivalent Expressions

Last updated over 1 year ago

8 questions

Question 1

Select all of the following expressions that are not equivalent to -8(x+1/2)

-8x-4

-8x+4

-8x - 1/2

-4(2x+1)

-x-x-x-x-x-x-x-x-4

Question 2

Select all of the following expressions that are not equivalent to -2x + 5(4x + 2).

-6x+10

18x+10

-22x+10

2(9x+5)

9x+9x+2(5)

Question 3

Match each expression in column 1 to an equivalent expression in column 2.

Draggable item		Corresponding Item
a(1 + 2 + 3)		a + 2a + 3a
6a + 10b		24 - 8
2(12 - 4)		3(4a + b)
		10a - 12
12a + 3b		2(3a + 5b)

Question 4

Choose which of the following three expressions in each set does not belong:
A)   7x + 4y + 9x
B)   8x + 8x + 4y
C)   4y + 10x + 9x
__________

A)   4b + 5c + 4b
B)   5b - 3b + 5c
C)   4c + 2b + c
__________

A)   0.4x + 4t + 0.1x
B)   0.2t + 4x + 0.3t
C)   0.5t + 5x - x
__________

A)   1.1w + 2x - 0.3w
B)   w + 2x + 0.4w
C)   0.3w + 2x + 0.5w
__________

Question 5

6(x – 3) + (2x – 9)

Question 6

(3c + 2) + 4(1.3c – 5)

Question 7

(k + 3) – (3k – 5)

Question 8

- (3x + 8) – 6(5x – 3)

Question 1

Select all of the following expressions that are not equivalent to -8(x+1/2)

-8x-4

-8x+4

-8x - 1/2

-4(2x+1)

-x-x-x-x-x-x-x-x-4

Question 2

Select all of the following expressions that are not equivalent to -2x + 5(4x + 2).

-6x+10

18x+10

-22x+10

2(9x+5)

9x+9x+2(5)

Question 3

Match each expression in column 1 to an equivalent expression in column 2.

Draggable item		Corresponding Item
a(1 + 2 + 3)		a + 2a + 3a
6a + 10b		24 - 8
2(12 - 4)		3(4a + b)
		10a - 12
12a + 3b		2(3a + 5b)

Question 4

Choose which of the following three expressions in each set does not belong:
A)   7x + 4y + 9x
B)   8x + 8x + 4y
C)   4y + 10x + 9x
__________

A)   4b + 5c + 4b
B)   5b - 3b + 5c
C)   4c + 2b + c
__________

A)   0.4x + 4t + 0.1x
B)   0.2t + 4x + 0.3t
C)   0.5t + 5x - x
__________

A)   1.1w + 2x - 0.3w
B)   w + 2x + 0.4w
C)   0.3w + 2x + 0.5w
__________

Question 5

6(x – 3) + (2x – 9)

Question 6

(3c + 2) + 4(1.3c – 5)

Question 7

(k + 3) – (3k – 5)

Question 8