6th grade math semester 2

Which pair shows equivalent expressions? 2x + 10 = -2(x - 5) -2(x + 5) = 2x - 10 -2x - 10 = -2(x+5) -2(x - 5) = -2x - 10

-2x - 10 = -2(x+5)

Which expression is equivalent to 8x - 12y + 32? 16(0.5x - 4y + 32) 16(0.5x - 0.75y + 32) 16(0.5x - 0.75y + 2) 16(0.5x + 4y + 2)

16(0.5x - 0.75y + 2)

Which pair shows equivalent expressions? 2(2/5x + 2) = 2 2/5x + 1 2(2/5x + 2) = 4/5x + 4 2(2/5x + 4) = 4/5x + 2 2(2/5x + 4) = 2 2/5x + 8

2(2/5x + 2) = 4/5x + 4

When 0.3(4x - 8) - 0.5(-2.4x + 4) is simplified, what is the resulting expression? -4.4 1.2x - 2.4 + 1.2x - 2 2.4x - 0.4 2.4x - 4.4

2.4x - 4.4

The expression 3(x - 9) is equivalent to 3(x)+9. 3(x)+3(9). 3(x) - 9. 3(x) - 3(9).

3(x) - 3(9).

Which expression is equivalent to -6(-2/3 + 2x)? -4 - 12x -4 + 2x 4 - 12x 4+ 12x

4 - 12x

Daniel expanded the expression as shown. What errors did he make? Select three options. The first term should be negative. The second term should be positive. The last term should be -1 1/2, not -1 1/4. He didn't correctly multiply -8 and -2. He did not simplify the expression completely.

B, C, D

Which property can be used to expand the expression -2(3/4x + 7)? the associative property the commutative property the distributive property the additive identity property

the commutative property

Which expression is equivalent to 2(14x - 3y + 28x + 12.2 - 5y - 17.5)? 84x - 167 - 10.6 28x - 6y - 10.6 42x - 8y - 5.3 84x - 16y - 5.3

84x - 167 - 10.6

Which expression is equivalent to 1/5(150x - 80y + 50 - 50x - 25y + 20)?

20x - 21y + 14