PSAT/SAT Math Practice Questions (Easy)

The graph shows the density of hydrogen in Earth's atmosphere, in atoms per cubic centimeter, at altitudes from 200 to 1,000 kilometers. At an altitude of 700 kilometers, which of the following is closest to the density of hydrogen, in atoms per cubic centimeter?

• A

• B

• C

• D

Tags

CCSS.HSF.IF.B.4

The given function models the estimated diameter d(t), in millimeters, of a white sea urchin t days after March 1, where t < 300.

What is the estimated diameter, in millimeters, of the white sea urchin 18 days after March 1?

• A

• B

• C

• D

Tags

CCSS.HSF.LE.B.5

Question is in the picture:

• A

• B

• C

• D

Tags

CCSS.8.EE.B.5

If 2x+5=20, what is the value of 2x-5?

• -20

• -5

• 10

• 15

Tags

CCSS.7.EE.B.4A

A student starts at school and walks directly away at a constant speed. After 2 minutes, the student is 120 meters from school. After how much additional walking time, in minutes, will the student be 270 meters away from school?

• 2.5

• 6.5

• 15

• 75

Tags

CCSS.HSF-LE.A.1B

In the xy-plane, line l contains the points with coordinates shown in the table, where k is a positive constant. What is the y-intercept of the line l in terms of k? 

• 3k

• 4k

• 5k

• 6k

x+2y=1

x-2y=5

The solution to the given system of equations is (x, y). What is the value of x?

• 1

• 1.5

• 3

• 6

Tags

CCSS.HSA.REI.C.9

A research organization surveyed 600 employees each year from 2005 through 2015 to determine what they valued about their jobs. The scatterplot shows the percentage of employees surveyed who rated overall corporate culture as "very important" for these 11 years. 

If one of the employees surveyed in 2013 is selected at random, what is the probability of selecting a person who did not rate overall corporate culture "very important"? 

• 27%

• 33%

• 50%

• 55%

Tags

CCSS.7.SP.A.2

A psychologist has designed a new personality test. Each question will receive a score of 1 or 2 points. When Sara took the test, she scored 1 point on x questions and 2 points on y questions. She received a total of 28 points on the test. Which equations represents this situation?

• x+2y=28

• 2x+y=28

• 2x+2y=28

• x+y=28

Tags

CCSS.HSA.CED.A.3

What value of x is the solution to the following equation?

• 4

• 6

• 16

• 24

Tags

CCSS.7.EE.B.4A