Welcome to **AMBiPi (Amans Maths Blogs)**. In this article, you will get * SAT Math Practice Test Linear Functions Questions with Answer Keys*. College Board is conducting SAT exam every year for the admission in USA colleges.

SAT Math Practice Test Linear Functions is a type of question bank where you will get important questions.

### SAT Math Practice Test Linear Functions

#### Linear Functions Multiple Choice Questions with Answer Keys

**SAT Math Practice Test Question No 1:**

The graph above shows the results of a controlled experiment designed by a scientist to determine the effect of magnetic field strength on the growth of sunflower plants. 500 young sunflower plants were randomly assigned to the control or experimental group. In the control group, the scientist grew 250 sunflower plants under normal local geo-magnetic field conditions (30 microteslas). In the experimental group, the scientist grew 250 sunflower plants identically except under a lower geomagnetic field (20 microteslas). Based on the results of this experiment, which conclusion is NOT valid?

**Option A** : Sunflower plants grown under lower magnetic field conditions were more likely to weigh more than sunflower plants grown under normal magnetic field conditions.

**Option B** : There is evidence of an association between the strength of magnetic field and height in sunflower plants

**Option C** : Sunflower plants grown under lower magnetic field conditions were more likely to be taller than sunflower plants grown under normal magnetic field conditions

**Option D** : Members of the control group were more likely to grow to less than100 inches than members of the experimental group

**Show/Hide Answer Key**

**Option C: Sunflower plants grown under lower magnetic field conditions were more likely to weigh more than sunflower plants grown under normal magnetic field conditions.**

**SAT Practice Test Question No 2:**

A researcher wants to conduct a survey to gauge United States (U.S.) voters’ opinions about the U.S. Congress. Which of the following should NOT be a component of this survey?

**Option A** : The researcher collects data from the survey takers

**Option B** : The researcher analyzed data from the survey takers

**Option C** : The researcher distributes the survey to 10,1000 randomly selected U.S. citizens aged 18 and older

**Option D** : The researcher distributes the survey to 10,000 residents of a Washington D.C. neighborhood

**Show/Hide Answer Key**

**Option D : The researcher distributes the survey to 10,000 residents of a Washington D.C. neighborhood**

**SAT Math Practice Test Question No 3:**

A scientist wants to collect data about the effects of gravity on the growth of soybean plants. To test her hypothesis that soybeans grow better in a zero-gravity setting, she randomly assigns the plants into one of two groups. The first group is grown in typical soybean growing conditions in a greenhouse on earth, and the second group is grown in a zero-gravity, yet otherwise identical greenhouse in a space station. Which of the following is the best description of the research design for this study?

**Option A** : Controlled experiment

**Option B** : Observational study

**Option C** : Sample survey

**Option D** : None of the above

**Show/Hide Answer Key**

**Option A : Controlled experiment**

**SAT Practice Test Question No 4:**

A researcher representing a city government wants to measure public opinion about recycling by asking 1,000 randomly selected residents a series of questions on the subject. Which of the following is the best description of the research design for this study?

**Option A** : Observational study

**Option B** : Sample survey

**Option C** : Controlled experiment

**Option D** : None of the above

**Show/Hide Answer Key**

**Option B : Sample survey**

**SAT Math Practice Test Question No 5:**

In order to determine whether children who have just watched cartoons will perform better on cognitive tasks than children who have not just watched cartoons, researchers randomly divided 60 preschoolers into three groups. For nine minutes, one group watched a rapid-paced cartoon, one group watched a slower-paced educational program, and one group colored. They then administered standardized tests to determine the immediate impact of the children’s previous nine minutes of activity. Which of the following is the best description of this type of research design?

**Option A** : An observational study, a study in which investigators observe subjects and measure variables of interest without assigning treatments to the subjects

**Option B** : A controlled experiment, a study in which an investigator separates subjects into a control group that does not receive a treatment and an experimental group that receives a treatment, and then observes the effect of the treatment on the experimental group.

**Option C** : A sample survey, a study that obtains data from a subset of a population, usually through a questionnaire or interview, in order to estimate population attributes.

**Option D** : None of the above

**Show/Hide Answer Key**

**Option B : A controlled experiment, a study in which an investigator separates subjects into a control group that does not receive a treatment and an experimental group that receives a treatment, and then observes the effect of the treatment on the experimental group.**

**SAT Practice Test Question No 6:**

Wanahton’s rectangular baking sheet is 9 1/2 inches (in) by 13 in. To the nearest inch, what is the longest breadstick Wanahton could bake on his baking sheet?

**Option A** : 13 in

**Option B** : 16 in

**Option C** : 124 in

**Option D** : 259 in

**Show/Hide Answer Key**

**Option B : 16 in**

**SAT Math Practice Test Question No 7:**

Abby is buying a widescreen TV that she will hang on the wall between two windows. The windows are 36 inches apart, and wide screen TVs are approximately twice as wide as they are tall. Of the following, which is the longest that the diagonal of a widescreen TV can measure and still fit between the windows?

**Option A** : 32 inches

**Option B** : 42 inches

**Option C** : 55 inches

**Option D** : 60 inches

**Show/Hide Answer Key**

**Option A : 32 inche**

**SAT Practice Test Question No 8:**

Bilal was assembling a set of bunkbeds and wanted to make sure the support posts were perpendicular to the floor. He measured that the posts were 165 centimeters (cm) tall and 220 cm apart. How long should the diagonal measurement be if the support posts are perpendicular to the floor?

**Option A** : 75cm

**Option B** : 130cm

**Option C** : 275cm

**Option D** : 385cm

**Show/Hide Answer Key**

**Option C : 275cm**

**SAT Practice Test Question No 9:**

Which of the following functions could represent the graph at left in the xy -plane, where y = P(x)?

**Option A** : P(x) = x^{2} + 6x + 8

**Option B** : P(x) = x^{3} + 6x^{2} + 8x

**Option C** : P(x) = x^{2} – 6x + 8

**Option D** : P(x) = x^{3} – 6x^{2} + 8x

**Show/Hide Answer Key**

**Option D : P(x) = x ^{3} – 6x^{2} + 8x**

**SAT Practice Test Question No 10:**

(x− 7) (x+ 5) (2x − 3)

Given the polynomial above, what are its zeros?

**Option A** : {-7,5, -3}

**Option B** : {7, -5, 3}

**Option C** : {-7, 5,-3/2}

**Option D** : {7, -5, 3/2}

**Show/Hide Answer Key**

**Option D : {7, -5, 3/2)**

**SAT Practice Test Question No 11:**

2 (x+ 55) (x− 17)

Given the polynomial above, what are its zeros?

**Option A** : x= −55 and x = 17

**Option B** : x = −55, x = −2 and x = 17

**Option C** : x= -17 and x = 55

**Option D** : x = −17, x = 2 and x = 55

**Show/Hide Answer Key**

**Option A : x = −55 and x= 17**

**SAT Math Practice Test Question No 12:**

T=0.25q+87

Manon’s statistics professor puts a bonus question on every test, which adds 0.25 points to a student’s overall grade at the end of the term. The above equation gives Manon’s current overall grade, T, after taking into account q extra credit questions answered correctly. What does the 87 mean in this equation?

**Option A** : Manon must get an 87 or above to pass

**Option B** : Manon’s average is an 87 before adding the extra credit

**Option C** : After adding in her extra credit, Manon’s average is an 87.

**Option D** : Manon’s professor gave 87 opportunities for extra credit this term

**Show/Hide Answer Key**

**Option B : Manon’s average is an 87 before adding the extra credit**

**SAT Practice Test Question No 13:**

T=10m+40

Tim decides to cook a steak. The interior temperature, T, of the steak, in degrees Fahrenheit(^{0}F), after cooking for m minutes is given in the equation above. What does the 10 mean in the equation?

**Option A** : The interior temperature is 10 (^{0}F) when Tim starts cooking the steak

**Option B** : The interior temperature of the steak increases by 10(^{0}F) for every minute it is cooked.

**Option C** : The equation has exactly one solution, t = -7/4

**Option D** : The equation has infinitely many solutions.

**Show/Hide Answer Key**

**Option B : The interior temperature of the steak increases by 10 ( ^{0}F) for every minute it is cooked.**

**SAT Practice Test Question No 14:**

5.5B+4R=28

The above equation models the cost if Amit picks B pounds of blueberries and R pounds of raspberries at a farm where blueberries cost $ 5.50 per pound and raspberries cost $ 4.00 per pound. According to the equation, how much does Amit spend in total on both types of berries?

**Option A** : $9.50

**Option B** : $22.00

**Option C** : $28.00

**Option D** : $56.00

**Show/Hide Answer Key**

**Option C : $28.00**

**SAT Practice Test Question No 15:**

g = 15 −m / 32

If Vera starts with a full tank of gas, the number of gallons of gas, g , left in the tank after driving m mile is given by the equation above. When full, how many gallons of gas does Vera’s tank hold?

**Option A** : 15 gallons

**Option B** : 17 gallons

**Option C** : 30 gallons

**Option D** : 32 gallons

**Show/Hide Answer Key**

**Option A : 15 gallons**

### SAT SAT Math Practice Test Linear Functions Grid-in Questions

#### Linear Functions Grid-in Choice Questions with Answer Keys

**SAT Mathematics Practice Test Question No 16:**

The expression 1.08s+1.02b predict the end of year value of a financial portfolio where s is the value of stocks and b is the value of bonds in the portfolio at the beginning of the year. What is the predicted end-of-year value of a portfolio that begins the year with $200 in the stocks and $100 in bonds

**Show/Hide Answer Key**

**Correct Answer : 318**

**SAT Math Practice Test Question No 17:**

A player at point A passes a ball to a player at point B. What is the distance, in yards, between point A and point B? ( Round your answer to the nearest tenth of a yard.)

**Show/Hide Answer Key**

**Correct Answer : 45.5**

**SAT Practice Test Question No 18:**

Due to weather, a barge captain decides to reach her destination in two legs: one due north and one due west. On a direct route, her destination is about 1,830 miles (mi) away; see the figure above. If after traveling 605 mi due north the captain determines it is time to head due west, how many more miles are left in the trip? (Round your answer to the nearest mile.)

**Show/Hide Answer Key**

**Correct Answer : 1727**

**SAT Practice Test Question No 19:**

0.2B+ 0.1S = C

Rhia is using the above equation to investigate the carbon footprint, C, in kilograms of carbon dioxide (CO2) emissions, for her morning commute, during which S miles are by subway and B miles are by bus. How many kilograms of CO2 per mile does the bus portion contribute to Rhia’s carbon footprint?

**Show/Hide Answer Key**

**Correct Answer : 0.2**

**SAT Practice Test Question No 20:**

V=2.5(6.4−t)

Salma is filling her water jugs with spring water at the supermarket. The above equation gives the empty space in her jugs, V, in US gallons, after t minutes at a constant fill rate. How many minutes will it take to fill the jugs?

**Show/Hide Answer Key**

**Correct Answer : 6.4**