Equivalent expressions

​

By Bills, Melanie

Multiple Choice

Add and simplify.

(–9x – 12) + (x – 8)

• -10x - 4

• -8x + 20

• -8x - 20

• -10x + 4

Multiple Select

Select ALL expressions that are equivalent to $$5x+4x+7-3x-4$$

• $$6x+3$$

• $$6x+11$$

• $$9x-3x+3$$

• $$9x-3x+11$$

Multiple Choice

Which expression is equivalent to $$6x+24$$  ?

• $$6\left(x+24\right)$$  

• $$6\left(x\right)+6\left(4\right)$$  

• $$x\left(6+24\right)$$  

• $$30x$$  

Multiple Choice

Subtract the expressions:

(7a + 4) - (9a + 2)

• -2a + 6

• 16a + 6

• -2a + 2

• 2a + 2

Multiple Choice

Select the expression that is equivalent to $$\left(2\cdot2\cdot2\cdot2\right)\left(5\cdot5\cdot5\cdot5\right)$$

• $$10^3$$

• 10

• $$10^4$$

• $$10^8$$

Match

Match each expressions that are equivalent

• 3x

• 2ab

• a+b

• 5x - 2y

15x - 12x

5ab - 3ab

a + 7b - 6b

x + 2y + 4x - 4y

• 15x - 12x

• 5ab - 3ab

• a + 7b - 6b

• x + 2y + 4x - 4y

Multiple Select

Select ALL expressions equivalent to $$3\left(3x-6\right)$$

• $$6x+3x+18$$

• $$6x+3x-18$$

• $$9x+18$$

• $$9x-18$$

Multiple Select

Select ALL expressions equivalent to $$-7a+4b$$

• $$4b-7a$$

• $$-7a-\left(-4b\right)$$

• $$-4b+7a$$

• $$4b+\left(-7a\right)$$

• $$4b-\left(-7a\right)$$

Multiple Choice

Which expression is equivalent to $$\left(-4\right)x+\left(-2\right)\left(-9\right)$$ ?

• $$-4x+18$$

• $$-4x-18$$

• $$4x-18$$

• $$4x+18$$

Multiple Choice

Find an equivalent expression for the given expression: 36x + 24

• 4(9x + 7)
• 4(9x + 8)
• 2(18x + 12)
• 12(3x + 3)

Multiple Select

Which answer choice is equivalent to:

3(2x+8)

Select all that apply.

• 3x+20+2x+4+x

• 6x+24

• 6x+8

• 5x+11

• 6(x+4)

Multiple Choice

Which expression is equivalent to 7(3a + 4b)?

• 21a + 28b
• 10a + 11b
• 21a + 4b
• 10a + 28b

Multiple Choice

Simplify: 10w + 3d + 3w + d

• 13w + 4d

• 17wd

• 13w + 3d

• Can't be simplified

Multiple Choice

Simplify the expression
11(9 + d)

• 99 + d
• 20 + 9d
• 20 + d
• 99+11d

Multiple Choice

Which expression is equivalent to 15x + 10 - 6x - 1?

• 9x + 9
• 18x
• 15x - 3
• 9x + 11

Multiple Choice

-½ (8w + 10)

• -4w + 5
• -4w - 5
• 4w + 5
• 4w - 5

Multiple Choice

⅔(x - 3) - 4

• ⅔x - 7
• ⅔x - 6
• ⅔x - 1
• ⅔x - 2

Multiple Choice

Select the expression that is equivalent to $$5^{10}$$

• $$\left(5^5\right)^5$$

• $$5^6\cdot5^4$$

• $$5^2\cdot5^5$$

• $$5^5+5^5$$

Multiple Choice

Simplify:

2.5(-1.2x + 3)

• -3x + 7.5

• 3x - 7

• -3.7x + 5.5

• 3.7x - 2.8

Multiple Choice

Simplify:

-3.4(x - 2.1) + 7x

• 10.4x + 5.5

• 3.6x + 7.14

• 4.6x - 6.4

• -3.4x + 14.14

Multiple Choice

Simplify:

-10r + 20(-1.5r + 0.75)

• -30r + 15

• -20r - 15

• -40r + 15

• 20r - 15

Multiple Choice

Simplify:

5.45 + 3(0.5g + 0.2)

• 15g + 11.45

• 3.5g + 8.65

• 6.95g + 0.6

• 1.5g + 6.05

Multiple Choice

Simplify:

0.4x + 1.4(2.2x + 1)

• 3.48x + 1.4

• 2.8x + 1.4

• 3.08x + 1.8

• 4x + 2.4

Multiple Choice

Simplify the expression  $$\frac{2}{5}y-0.2y-6+(−2)$$ .

• $$-\frac{1}{5}y-8$$

• $$-\frac{1}{5}y-4$$

• $$\frac{1}{5}y-4$$

• $$\frac{1}{5}y-8$$

Multiple Select

Select all the expressions which are equivalent to –3(0.15 – 0.2 + 0.25p).

• –0.45 – 0.6 + 0.25p

• 0.15 – 0.75p

• 3(-0.15 + 0.2 - 0.25p)

• –3(–0.05 + 0.25p)

• –3(0.05 + 0.25p)

Multiple Choice

Add the expressions:

(3x+15) + (4x+13)

• 7x+ 28

• 35x

• x+2

• 7x - 2

Multiple Choice

Add the expressions:

(7k + 9) + (4k - 3)

• 3k + 6

• 11k + 6

• -11k + 6

• - 3k + 6

Multiple Choice

Add the expressions:

(7k + 9) + (4k - 3)

• 3k + 6

• 11k + 6

• -11k + 6

• - 3k + 6

Multiple Choice

Subtract the expressions:

(2x + 5) − (x + 4).

• x + 1

• 3x + 9

• −x + 1

• x + 9

Multiple Choice

(-11a + 7) – (11a – 7)

• -22a - 14
• 0
• -22a + 14
• -22a 

Multiple Choice

Add or subtract linear expressions.

(6x + 9) - (4x + 6)

• 10x + 15

• 2x + 15

• 10x + 3

• 2x + 3

Multiple Choice

What is 4x + 3 + (-3x) + 5

• 7x +3

• 7x + 5

• x + 8

• x + 5