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SAT Practice Test 6, Section 9: Questions 6 - 10




 
Related Topics:
More Lessons for SAT Preparation

Math Worksheets

This is for SAT in Jan 2016 or before.

The following are worked solutions for the questions in the math sections of the SAT Practice Tests found in the The Official SAT Study Guide Second Edition.


It would be best that you go through the SAT practice test questions in the Study Guide first and then look at the worked solutions for the questions that you might need assistance in. Due to copyright issues, we are not able to reproduce the questions, but we hope that the worked solutions will be helpful.

6. Correct answer: (B)

Given:
The increase in expenses is directly proportional to the increase in temperature setting
The expenses increase by $24 when the temperature setting is increased by 20

To find:
The increase in expenses when the temperature setting is increased by 15

Solution:
Topic(s): Proportional word problem

If 20 degrees then 24 dollars, if 15 degrees then how many dollars?

Answer: (B) 18

7. Correct answer: (E)

Given:
The figures

To find:
The average of u, v, w, x and y

Solution:
Topic(s): Complementary angles, sum of angles in a triangle

x + y = 90 (x and y are complementary angles)
u + v + w = 180 (sum of angles in a triangle = 180)

Average of u, v, w, x, y, and z =

Answer: (E) 54




8. Correct answer: (C)

Given:
x, x2 and x3 lie on the number line in the order shown in the figure

To find:
Which of the following could be the value of x

Solution:
In order for x3 < x2 < x, the range of x is 0 < x < 1

The answer is then (C)

Answer: (C)

9. Correct answer: (A)

Given:
The figure
Line l passes through the origin

To find:
The value of

Solution:
Topic(s): Coordinate geometry

The slope of the line is

So,

Answer: (A) 3

10. Correct answer: (E)

Given:

m < 0, k < 0

To find:
The value of mk

Solution:
Topic(s): Absolute value

mk = – 2 – (– 22) = 20

Answer: (E) 20



 

Rotate to landscape screen format on a mobile phone or small tablet to use the Mathway widget, a free math problem solver that answers your questions with step-by-step explanations.


You can use the free Mathway calculator and problem solver below to practice Algebra or other math topics. Try the given examples, or type in your own problem and check your answer with the step-by-step explanations.


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