SUBJECTS
|
BROWSE
|
CAREER CENTER
|
POPULAR
|
JOIN
|
LOGIN
Business Skills
|
Soft Skills
|
Basic Literacy
|
Certifications
About
|
Help
|
Privacy
|
Terms
|
Email
Search
Test your basic knowledge |
GRE Math: Common Errors
Start Test
Study First
Subjects
:
gre
,
math
Instructions:
Answer 50 questions in 15 minutes.
If you are not ready to take this test, you can
study here
.
Match each statement with the correct term.
Don't refresh. All questions and answers are randomly picked and ordered every time you load a test.
This is a study tool. The 3 wrong answers for each question are randomly chosen from answers to other questions. So, you might find at times the answers obvious, but you will see it re-enforces your understanding as you take the test each time.
1. What is the 'Range' of a function?
The angle intersecting the circumference is always the largest angle - and is always 90 degrees.
The empty set - denoted by a circle with a diagonal through it.
The set of output values for a function.
A reflection about the origin.
2. For what values should the domain be restricted for the function f(x) = sqrt(x + 8)
48
27^(-4)
8
12! / 5!7! = 792
3. Formula for the area of a sector of a circle?
Sector area = (n/360) X (pi)r^2
F(x + c)
4sqrt3. The triangle can be divided into two equal 30-60-90 triangles with side 6 as the side in which 6 = xsqrt3. So x =2sqrt3...
6
4. In a regular polygon with n sides - the formula for the sum of interior angles
(n-2) x 180
G(x) = {x}
...multiply by 100.
A tangent is a line that only touches one point on the circumference of a circle.
5. The number of degrees in the largest angle of a triangle inscribed in a circle - in which the diameter of the circle is one side of the triangle.
The greatest value minus the smallest.
9 & 6/7
90 degrees
12! / 5!7! = 792
6. sqrt 2(sqrt 6)=
A term is a numerical constant or the product (or quotient) of a numerical constant and one or more variables. (3x - 4x^2 and 2a/c)
12sqrt2
Sqrt 12
4a^2(b)
7. (-1)^3 =
Circumference = Diameter(pi). Use pythagorean theorem to find the diagonal of the square (the diameter).
The set of elements found in both A and B.
1
A circle centered on the origin with radius 8.
8. What is the formula for compounded interest?
Sqrt 12
Its negative reciprocal. (-b/a)
A= I (1 + (r/c))^tC - where I is the investment - C is the number of times compounded annually - and t is the number of years.
II
9. When does a function automatically have a restricted domain (2)?
When we need to avoid having a zero in the denominator or avoid taking the square root of a number.
The curve opens upward and the vertex is the minimal point on the graph.
The longest arc between points A and B on a circle'S diameter.
Area of the base X height = (pi)hr^2
10. What is a set with no members called?
The empty set - denoted by a circle with a diagonal through it.
The union of A and B.
13pi / 2
180
11. a^0 =
1
[(7+ sqrt93) /2] - [(7 - sqrt93) / 2]
x= (1.2)(.8)lw
90pi
12. What is the slope of a vertical line?
Warning
: Invalid argument supplied for foreach() in
/var/www/html/basicversity.com/show_quiz.php
on line
183
13. Factor x^2 - xy + x.
Divide by 100.
A reflection about the origin.
Yes. [i.e. f(x) = x^2 - 1
x(x - y + 1)
14. A cylinder has surface area 22pi. If the cylinder has a height of 10 - what is its radius?
4.25 - 6 - 22
83.333%
2.4. We calculate the area (6) and then turn the triangle on its side and use x as the height to calculate again. (5x)/2=6
1
15. Can you simplify sqrt72?
(base*height) / 2
90
Yes - because you can factor out a perfect square (36). Sqrt(36 x 2) = sqrt36 X sqrt2 = 6sqrt2.
4096
16. (-1)^2 =
Lies opposite the greater angle
Circumference = Diameter(pi). Use pythagorean theorem to find the diagonal of the square (the diameter).
The set of elements which can be found in either A or B.
1
17. A triangle is inscribed in a semi circle with legs 5 and 12. What is the circumfermence of the semicircle?
13pi / 2
6
It is a function defined by more than one equation - where each equation applies to a different part of the domain of the function.
4:9. The ratio of the areas of two similar triangles equals the square of the ratio of the corresponding sides.
18. (x^2)^4
87.5%
All numbers multiples of 1.
4096
x^(2(4)) =x^8 = (x^4)^2
19. There are 10 finalists for the school spelling bee. A first - second - and third place trophy will be awarded. In how many ways can the judges award the 3 prizes?
(12/2) x (sqrt15 / sqrt5) = 6sqrt3
2.592 kg
10! / (10-3)! = 720
PEMDAS (Parentheses Exponents Multiplication/Division Addition/Subtraction)
20. 413.03 x 10^(-4) =
413.03 / 10^4 (move the decimal point 4 places to the left)
A term is a numerical constant or the product (or quotient) of a numerical constant and one or more variables. (3x - 4x^2 and 2a/c)
A = I (1 + rt)
A reflection about the origin.
21. Reduce: 4.8 : 0.8 : 1.6
A set with no members - denoted by a circle with a diagonal through it.
2^9 / 2 = 256
6 : 1 : 2
28. n = 8 - k = 2. n! / k!(n-k)!
22. What are the irrational numbers?
Warning
: Invalid argument supplied for foreach() in
/var/www/html/basicversity.com/show_quiz.php
on line
183
23. What is the graph of f(x) shifted upward c units or spaces?
27^(-4)
No - the input value has exactly one output.
F(x) + c
When the function is not defined for all real numbers -; only a subset of the real numbers.
24. x^6 / x^3
3 - -3
The sum of digits is divisible by 9.
4096
x^(6-3) = x^3
25. 1/6 in percent?
16.6666%
4:5
Use Pythagorean theorem twice. (Once across the surface and then a is the diagonal of surface and b is an edge).
2
26. Evaluate 3& 2/7 / 1/3
4sqrt3. The triangle can be divided into two equal 30-60-90 triangles with side 6 as the side in which 6 = xsqrt3. So x =2sqrt3...
9 & 6/7
The curve opens downward and the vertex is the maximum point on the graph.
13
27. Whats the difference between factors and multiples?
Factors are few - multiples are many.
True
The empty set - denoted by a circle with a diagonal through it.
An isosceles right triangle.
28. The larger the absolute value of the slope...
The point of intersection of the systems.
The longest arc between points A and B on a circle'S diameter.
The steeper the slope.
An algebraic expression is a combination of one of more terms. Terms in an expression are separated by either addition or subtraction signs. (3xy - 4ab - -5cd - x^2 + x - 1)
29. 1/2 divided by 3/7 is the same as
A set with a number of elements which can be counted.
A tangent is a line that only touches one point on the circumference of a circle.
3sqrt4
1/2 times 7/3
30. 7/8 in percent?
x= (1.2)(.8)lw
87.5%
...multiply by 100.
0
31. Which quadrant is the lower left hand?
1:1:sqrt2
An arc is a portion of a circumference of a circle.
III
9 : 25
32. 40 < all primes<50
41 - 43 - 47
F(x + c)
500
The union of A and B.
33. Solve the quadratic equation ax^2 + bx + c= 0
(a + b)^2
A circle centered on the origin with radius 8.
Circumference = Diameter(pi). Use pythagorean theorem to find the diagonal of the square (the diameter).
x = [(-b)+/- (sqrt b^2 - 4ac)]/2a
34. x^2 = 9. What is the value of x?
The direction of the inequality is reversed.
3 - -3
The curve opens downward and the vertex is the maximum point on the graph.
61 - 67
35. Volume for a cylinder?
The longest arc between points A and B on a circle'S diameter.
2
Area of the base X height = (pi)hr^2
1.0843 X 10^11
36. a^2 - b^2 =
(a - b)(a + b)
27^(-4)
16.6666%
2
37. Can you subtract 3sqrt4 from sqrt4?
4096
Infinite.
Yes - like radicals can be added/subtracted.
(a + b)^2
38. Factor a^2 + 2ab + b^2
(a + b)^2
The third side is greater than the difference and less than the sum.
The curve opens downward and the vertex is the maximum point on the graph.
1/a^6
39. What does scientific notation mean?
A= I (1 + (r/c))^tC - where I is the investment - C is the number of times compounded annually - and t is the number of years.
A = pi(r^2)
Expressing a number as the product of a decimal between 1 and 10 - and a power of 10.
The direction of the inequality is reversed.
40. (a^-1)/a^5
An arc is a portion of a circumference of a circle.
1/a^6
48
180 degrees
41. What transformation occurs if point C is reflected over the x-axis and then the y-axis?
A reflection about the axis.
Members or elements
Two equal sides and two equal angles.
12.5%
42. What is the area of a regular hexagon with side 6?
A grouping of the members within a set based on a shared characteristic.
2sqrt6
Yes - like radicals can be added/subtracted.
54sqrt3. (divide the hexagon into 6 congruent equilateral triangles.
43. Employee X is paid 19.50 per hour no matter how many a week. Employee Y earns 18 for the first 40 and 1.5 the hourly wage for every hour after that. If both earned the same amount and worked the same in one week - how many did each work?
A 30-60-90 triangle.
F(x-c)
A = pi(r^2)
48
44. What is the 'Range' of a series of numbers?
The greatest value minus the smallest.
The sum of its digits is divisible by 3.
The two xes after factoring.
The set of elements found in both A and B.
45. If 8 schools are in a conference - how many games are played if each team plays each other exactly once?
Pi is the ratio of a circle'S circumference to its diameter.
28. n = 8 - k = 2. n! / k!(n-k)!
1
9 & 6/7
46. If the 80th percentile of the measurements is 72degrees - about how many measurments are between 69 degrees and 72 degrees? Round your answer to the nearest tenth
18
No - the input value has exactly one output.
The graph of 3(x - 1)^2 is a translation (shift) of the graph one unit or space to the right.
0
47. What are the real numbers?
The sum of digits is divisible by 9.
4.25 - 6 - 22
0
All the numbers on the number line (negative - rational - irrational - decimal - integer). All the numbers on the GRE are real. (-2 - 1 - .25 - 1/2 - pi)
48. What are 'Supplementary angles?'
The third side is greater than the difference and less than the sum.
Two angles whose sum is 180.
Part = Percent X Whole
90
49. 200 <_ x <_ 300. How many values of x are divisible by 5 & 8?
All numbers multiples of 1.
Diameter(Pi)
3
6
50. Length of an arc of a circle?
6
Angle/360 x 2(pi)r
55%
An isosceles right triangle.
Can you answer 50 questions in 15 minutes?
Let me suggest you:
Browse all subjects
Browse all tests
Most popular tests
Major Subjects
Tests & Exams
AP
CLEP
DSST
GRE
SAT
GMAT
Certifications
CISSP go to https://www.isc2.org/
PMP
ITIL
RHCE
MCTS
More...
IT Skills
Android Programming
Data Modeling
Objective C Programming
Basic Python Programming
Adobe Illustrator
More...
Business Skills
Advertising Techniques
Business Accounting Basics
Business Strategy
Human Resource Management
Marketing Basics
More...
Soft Skills
Body Language
People Skills
Public Speaking
Persuasion
Job Hunting And Resumes
More...
Vocabulary
GRE Vocab
SAT Vocab
TOEFL Essential Vocab
Basic English Words For All
Global Words You Should Know
Business English
More...
Languages
AP German Vocab
AP Latin Vocab
SAT Subject Test: French
Italian Survival
Norwegian Survival
More...
Engineering
Audio Engineering
Computer Science Engineering
Aerospace Engineering
Chemical Engineering
Structural Engineering
More...
Health Sciences
Basic Nursing Skills
Health Science Language Fundamentals
Veterinary Technology Medical Language
Cardiology
Clinical Surgery
More...
English
Grammar Fundamentals
Literary And Rhetorical Vocab
Elements Of Style Vocab
Introduction To English Major
Complete Advanced Sentences
Literature
Homonyms
More...
Math
Algebra Formulas
Basic Arithmetic: Measurements
Metric Conversions
Geometric Properties
Important Math Facts
Number Sense Vocab
Business Math
More...
Other Major Subjects
Science
Economics
History
Law
Performing-arts
Cooking
Logic & Reasoning
Trivia
Browse all subjects
Browse all tests
Most popular tests