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New PSAT Math Practice Test 1, Part 13

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These videos and solutions are for the redesigned PSAT, which is for you, if you are taking the PSAT in October 2015 and beyond.

New PSAT Math Practice Tests from CollegeBoard, Practice Test 1, Questions 9 to 12

PSAT Math Practice Test 1 - Calculator

Question 9

The preceding scatterplot shows the widths and the heights of 12 types of rectangular envelopes. What is the width, in inches, of the envelope represented by the data point that is farthest from the line of best fit (not shown)?
A. 2
B. 5
C. 7
D. 12
Question 10

A high school basketball team won exactly 65 percent of the games it played during last season. Which of the following could be the total number of games the team played last season?
A. 22
B. 20
C. 18
D. 14

Question 11

110x + y =1,210
A coffee shop is running a promotion where a number of free coffee samples are given away each day. The preceding equation can be used to model the number of free coffee samples, y, that remain to be given away x days after the promotion began. What does it mean that (11, 0), is a solution to this equation?
A. During the promotion, 11 samples are given away each day.
B. It takes 11 days during the promotion to see 1,210 customers.
C. It takes 11 days during the promotion until none of the samples are remaining.
D. There are 11 samples available at the start of the promotion.
Question 12
Which scatterplot shows a negative association that is not linear? (Note: A negative association between two variables is one in which higher values of one variable correspond to lower values of the other variable, and vice versa.)
Each of the four answer choices presents a scatterplot in the first quadrant of the x y-plane. The horizontal axis is labeled x, the vertical axis is labeled y, and the origin is labeled O. The number 10 appears on both the x-axis and the y-axis.
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