Algebraic expressions

Which expressions is equivalent to 3(x + 10)?

• 3x + 30

• -3x + 10

• -3x - 30

• 3x - 30

Tags

CCSS.6.EE.A.4

Tags

CCSS.6.EE.A.4

Kevin wrote the expression shown to determine the cost in dollars for an upcoming trip.
 $(227.50−49.50)+2(96.50+5)$  
Which expression is equivalent to the one Kevin wrote?

• 178 + 103.50

• 178 + 203

• 178 + 192

• 178 +101.50

Tags

CCSS.6.EE.A.4

Which of the following is NOT equivalent to 42x + 24?

• 2(21x + 12)

• 3(14x + 8)

• 6(7x + 4)

• 7(6x + 17)

Tags

CCSS.6.EE.A.4

True or false, the following expressions are equal.

9 - (3 • y) and 9 - (y • 3)?

• True

• False

Answer explanation

True. These are equivalent. Since you cannot change the order of subtraction, that remains the same. However, you can change the order of multiplication. So, (3 •y) is equivalent to (y • 3).

Tags

CCSS.6.EE.A.4

Which expression is equivalent to 48 + 60?

• 12(4 + 5)

• 12(8 + 5)

• 6(6 + 10)

• 6(8 + 12)

Tags

6.NS.B.4.b

Which expression is equivalent to 5t+5t?

• t + 10

• 9t

• 10t

• t

Tags

CCSS.6.EE.A.4

Which expression has the same value as 4(3x + 5)?

• 1. 7x + 5

• 1. 11x + 5

• 1. 7x + 9

• 12x + 20

Tags

CCSS.6.EE.A.4

What is an example of an equation?

• x+5=20

• 2x

• 8y+9y

• x+b+c

Tags

CCSS.6.EE.A.2B

Choose the equivalent expression.

4 + 7z + 3 + 2z

• 5z + 1

• 9z - 1

• 9z + 7

• 7z + 7

Tags

CCSS.6.EE.A.4