Chapter 14 Practice Test 4 With Answers - Mcgraw-Hill'S Psat/nmsqt Page 23
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45CHAPTER 14 / PRACTICE PSAT 4
495
Directions for Student-Produced Response Questions
Each of the questions in this section requires you to solve the problem and enter your answer in a grid, as
shown below.
If your answer is 2/3 or .666 . . . , you must enter the most accurate value the grid can accommodate,
.
but you may do this in one of four ways:
4
In the example above, gridding a response of 0.67 or 0.66 is incorrect because it is less accurate than
.
those above.
The scoring machine cannot read what is written in the top row of boxes. You MUST fill in the numeri-
.
cal grid accurately to get credit for answering any question correctly. You should write your answer in
the top row of boxes only to aid your gridding.
1
31
Do not grid in a mixed fraction like 3
as
because it will be interpreted as
. Instead,
.
3
1
/
2
2
2
convert it to an improper fraction like 7/2 or a decimal like 3.5 before gridding.
None of the answers will be negative, because there is no negative sign in the grid.
.
Some of the questions may have more than one correct answer. You must grid only one of the correct
.
answers.
You may use a calculator on any of these problems.
.
All numbers in these problems are real numbers.
.
Figures are drawn as accurately as possible EXCEPT when it is stated that the figure is not drawn
.
to scale.
All figures lie in a plane unless otherwise indicated.
.
B
B
29
If r and s are positive integers and r , s, how
30
W
X
Y
Z
many integer pairs (r, s) satisfy the equation
4r þ 5s , 30 ?
1
1
In the figure above, WX ¼
WY and XY ¼
YZ.
2
3
If XY ¼ 2, what is XZ?
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