Math In Focus Course 2 Chapter 2 Test Review

• 2.1a

Tags

CCSS.6.EE.A.4

• -5b

• -5

• 5b

• 5

• -7b

Tags

CCSS.7.EE.A.1

Which of the following are equivalent to 6d - 9b + 3b - 7d

• -6b - d

• -d - 6b

• -6d - - d

• -13d - 12b

• 13d + 12b

Tags

CCSS.6.EE.A.4

• 0.3 - 2a

• 2.3a

• -1.7a

• 2a - 0.3

Tags

CCSS.6.EE.A.3

• 2(3a+2b-6)

• 2(3a+2b+6)

• 6(a+4b-2)

• 4(6a+b-3)

• -2(-3a-2b+6)

Tags

CCSS.6.EE.A.3

• 12 - 1.2a

• 20 + 5.2a

• 4 - 1.2a

• 12 - 5.2a

• 12 + 5.2a

Tags

CCSS.7.EE.A.1

Factor in simpliest form:

18a - 54c

• 18(a-3c)

• 18(-3c)

• 18(a+3c)

• 6(3a-9c)

• 9(2a-6c)

Tags

CCSS.7.EE.A.1

If Alex is x years old and Addison is y years younger, what is a simplified expression that would show their combined ages in 5 years?

• x + (x-y) + 5

• (x + 5) + (x-y+5)

• 2x - y + 10

• 2x + y - 10

• (x + 5) + (x + y + 5)

Tags

CCSS.6.EE.B.6

The width of a rectangle is 8x yards. The length of the rectangle is 5 more than the width. What is a simplified expression showing the perimeter of the rectangle?

• 8x + (8x + 5)

• 8x + (8x - 5)

• 16x - 10

• 32x - 10

• 32x + 10

Tags

CCSS.7.EE.A.1

In 2001, gold was priced at (0.5x + 100) dollars per ounce. Its price tripled in 2008 and then doubled in 2011. In 2016 its priced dropped to 2/3 the price of 2011. How much is gold worth in 2016?

• 6(0.5x + 100)

• 3x + 600

• 2x + 400

• 2x + 300

• 6x + 600