SAT Linear Equation Practice Question Preview (ID: 36859)


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Question 1: Which of the following ordered pairs (x, y) satisfies the system of equations on the answer page
a) 3,-2
b) 2,-2
c) -2,2
d) -2,-2

Question 2: If (x,y) is a solution to the system of equations above, what is the value of x-y?
a) -20
b) -8
c) -4
d) 8

Question 3: If (x,y) is the solution to the system of equations above, what is the value of y?
a) 2
b) 4
c) 12
d) 24

Question 4: If f(x) = -2x + 5, what is f(-3x) equal to?
a) -6x-5
b) 6x + 5
c) 6x-5
d) 6x^2 - 15x

Question 5: Suppose f(x) = 3/2x +b, if f(6) = 7, what is the value of f(-2)?
a) -5
b) -2
c) 1
d) 7

Question 6: If (x,y) is the solution to the system of equations on the answer sheet, what is the value of x?
a) 0
b) 3.2
c) 5
d) 6.3

Question 7: The density of an object is equal to the mass of the object divided by the volume of the object. What is the volume of an object with a mass of 24 grams and a density of 3 grams per milliliter?
a) .0125
b) 8
c) 21
d) 72

Question 8: A partially filled pool contains 600 gallons of water. A hose is turned on and water flows into the pool at a rate of 8 gallons per minute. How many gallons of water will be in the pool after 70 minutes?
a) 8.6 gallons
b) 75 gallons
c) 560 gallons
d) 1160 gallons

Question 9: At a restaurant, n cups of tea are made by adding t tea bags to hot water. If t = n + 2, how many additional tea bags are needed to make each additional cup of tea?
a) none
b) one
c) two
d) three

Question 10: What value of p is the solution of the equation: 2(p + 1) + 8(p-1) = 5p
a) 0
b) 1.2
c) -2
d) -8

11) Salim wants to buy tickets from a vendor. The vendor charges a one-time fee for processing the purchase. The equation T = 15n + 12 represents the total amount T, in dollars, Salim will pay for n tickets. What does 12 represent in the equation?
a) The price of one ticket, in dollars
b) The amount of the service fee, in dollars
c) The total amount, in dollars, Salim will pay for one ticket
d) The total amount, in dollars, Salim will pay for any number of tickets

Question 12: If x = 2/3y and y = 18, what is the value of 2x − 3 ?
a) 21
b) 15
c) 12
d) 10

Question 3: How many liters of a 25% saline solution must be added to 3 liters of a 10% saline solution to obtain a 15% saline solution?
a) .5
b) 1
c) 1.5
d) 2

Question 14: Which expression is equivalent to (2x^2 − 4) − (−3x^2 + 2x − 7) ?
a) 5x^2 -2x + 3
b) 5x^2 +2x - 3
c) −x^2 − 2x − 11
d) −x^2 + 2x − 11

Question 15: The equation x + y = 75 relates the number of minutes, x, Maria spends running each day and the number of minutes, y, she spends biking each day. In the equation, what does the number 75 represent?
a) The number of minutes spent running each day
b) The number of minutes spent biking each day
c) The total number of minutes spent running and biking each day
d) The number of minutes spent biking for each minute spent running

Question 16: Which of the following is equivalent to 3(x + 5) − 6 ?
a) 3x -3
b) 3x-1
c) 3x + 9
d) 15x-6

Question 17: If 2x + 8 = 16, what is the value of x + 4 ?
a) 4
b) 8
c) 16
d) 32

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