PSAT 8/9 Math No Calculator Practice Test – Set 1
PSAT 8/9 Math No Calculator Practice Test – Set 1
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Question 1 of 5
1. Question
A certain pizza store sells two pizza types – pepperoni pizza and Hawaiian pizza. The cost for producing each pizza type varies, but each is sold at the same price. Currently, the store has 32 Hawaiian pizzas costing $4.25 each to produce, and 18 pepperoni pizzas costing $3.75 each to produce. The store owner wants to add more pepperoni pizzas to gain more profit. His production budget for that day is $316. Which equation could be used to determine how many more pepperoni pizzas, p, are needed to produce?
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Question 2 of 5
2. Question
The profit earned, in dollars, by a certain toy factory is calculated by subtracting the sales income and the production expenses and multiplying the difference by the number of toys sold. The expression (9.50 – 2.45)x + (12.75 – 4.50)y represents the total profit earned from two types of toys, A and B, where x is the number of toy A sold and y is the number of toy B sold. What does 8.25 represent in the expression?
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Question 3 of 5
3. Question
A certain culture of bacteria is growing rapidly. It was noticed during an experiment that, when one of such bacteria is placed in a petri dish, the bacteria multiplied itself following the pattern as shown in the table below:
Growth pattern of the bacteria Time (in minute)
Number of bacteria present 1 2 2 8 3 24 4 64 5 160 Dr. Murphy, the head of the research group studying the bacteria, is preparing a report about the possible threat the bacteria can possibly bring to the public if left uncontained. He wants to make a general equation of the behavior the bacteria is multiplying after n minutes. If b is the number of bacteria present after n minutes, which of the following equations correctly describes the growth pattern of the bacteria?
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Question 4 of 5
4. Question
Line m has an equation of 6x+3y=9. Line n intersects at line m at one point, forming a right angle at the intersection. Which of the following equations can be the equation of line n?
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Question 5 of 5
5. Question
What is the domain of the function = ?
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