SAT Practice #3

If 2y = x + 40 and 3x = y + 20, what is the value of x + y?

• 28

• 34

• 38

• 44

Tags

CCSS.8.G.A.5

500 different light bulbs were tested in each trial. The bar graph above shows the number of defective light bulbs found in each trial. In Trial B, what percent of the light bulbs were defective?

• 0.70%

• 0.84%

• 1.40%

• 7.00%

Tags

CCSS.HSS.IC.B.4

CCSS.HSS.ID.A.1

CCSS.HSS.ID.B.5

Subtract:
(x²y - 3y² + 5xy²) -
(-x²y + 3xy² - 3y²)

• 4x²y²
• 8xy² - 6y²
• 2x²y + 2xy²
• 2x²y + 8xy² - 6y²

Tags

CCSS.HSA.APR.A.1

If t > 0  and t² - 4 = 0, what is the value of t?

• 4
• 0
• 2
• -2

Tags

CCSS.8.EE.A.2

A landscaping company estimates the price of a job, in dollars, using the expression 60 + 12nh, where  n  is the number of landscapers who will be working and  h  is the total number of hours the job will take using  n  landscapers. Which of the following is the best interpretation of the number 12 in the expression?

• The company charges $12 per hour for each landscaper.
• A minimum of 12 landscapers will work on each job.
• The price of every job increases by $12 every hour.
• Each landscaper works 12 hours a day.

Tags

CCSS.HSA-SSE.A.1A

If 3r + 6 = -3, then 5r + 4 = 

• -11
• -9
• -19
• None of these

Tags

CCSS.7.EE.B.3

• A
• B
• C
• D

Tags

CCSS.HSS.ID.A.1

The set of ordered pairs shown below is a relation that is a function of x.

{(-5, 1), (-4, 1), (-3, 1), (-2, 1)}

Which ordered pairs could be included in the set so that the relation remains a function of x?

• (-6, 1), (-5, -1)

• (-6, 1), (-1, -1)

• (-2, 2), (-1, 1)

• (-3, 0), (-1, 1)

Tags

CCSS.8.F.A.1