Expression Using Addition and Multiplication

Which of the following expressions is equivalent to
    2k+10 + 15k

• 27k

• 15k+2k+10

• 17k-10

Which mathematical property shown here proves that these two expressions are equivalent?
   6(v+5v)  =   6v+30v 

• Commutative Property multiplication

• Identity Property

• Distributive Property 

• Associative Property of addition

Which of the expressions below are equivalent?

• 2 x (m+5)  and     2m + 10

• 5a+(6a x0) and  30a

• 5n+3n+2n and 9n

• a+ a+ a=  a³

Which expression equivalent to  b x 45 + b x 25
*Hint combine all the like terms!!!* 

• bx(45+25)

• b+(45+25)

• b+(45x b)+25

What is the value of n in the following equation?

n = 499 – (8 ∙ 7)

Which property of operations was used to show these expressions are equivalent?
17y+4+12y= 4+12y+17y

• commutative property of multiplication

• commutative property of addition

• associative property of addition

How would an equivalent expression be written for this expression if the distributive property was used?
  14x + 21y

• 7+(2x+3y)

• 21+y+14x

• 21y+14x

• 7(2x +3y)

A submarine started the day at 1200 feet below sea level. The submarine rose 60 feet per hour during a 3-hour period.

Which expression represents the new position of the submarine in relation to sea level?

• –1,200 – 3(60)

• –1,200 + 3(60)

• 1,200 – 3(60)

• 1,200 + 3(–60)

Which of the following expressions demonstrates the distributive property?

• 3 + 4 + 5 = 4 + 3 + 5

• -2(5 + 7) = -2(7 + 5)

• 3(-8 + 1) = 3(-8) + 3(1)

• 6[(7)(-2)] = [(6)(7)](-2)

Which of these expressions have negative values? Select all that apply.

• 2 + 2(-3)(7)

• -2(27 ÷ 9)+4

• (14 ÷ -2)(-6)

• (4 - 10) - ( 8 ÷ ( -2))