Order of Operations and Combining Like Terms

Which is equivalent to the expression below?

5(-2a + 3b – 7) – 2(b + 3c – 5)

• -10a + 18b + 6c – 25

• -10a – 6b – 6c – 13

• -10a + 13b – 6c + 25

• -10a + 13b – 6c – 25

Which is equivalent to the expression below?

-5 – 3(7 – x)

• -16 - 3x

• -26 + 3x

• 26 - 3x

• -56 + 8x

If a = 4 and b = -2, what is the value of  1/2 a² + 2b ?

• 28

• 12

• 4

• 36

Select all options that are a like term to 3x².

• -3x

• 1/3 x²

• 12x²y

• 4x²

• -x²

What is the value of 3x² + x if x = -7?

• 140

• 154

• -154

• -28

What is the value of 9n(n - 3) + 7, when n = 6?

• 295

• 52

• 196

• 169

What is the value of x – (7x + 7) when x = -6?

• 29

• 41

• -43

• -29

Which is the value of x³(2w – y) if w = 5, x = 7, and y = 3?

• 875

• 2401

• 243

• 1375

What is the value of x(4 + 3) – 8x when x = 3?

• -2

• 5

• -3

• 0

Which expression has a value of 27 when n equals 2?

• n + (4 ÷ 8)³

• n + (4³ ÷ 8)

• (n + 4)³ ÷ 8

• (n + 4³) ÷ 8