Test your basic knowledge |

GRE Math: Common Errors

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. 7/8 in percent?
Undefined - because we can'T divide by 0.
87.5%
G(x) = {x}
x= (1.2)(.8)lw

2. Factor a^2 + 2ab + b^2
Arc length = (n/360) x pi(2r) where n is the number of degrees.
72
4096
(a + b)^2

3. a^2 - 2ab + b^2
(a - b)^2
1:1:sqrt2
x = [(-b)+/- (sqrt b^2 - 4ac)]/2a
Undefined - because we can'T divide by 0.

4. What is the graph of f(x) shifted downward c units or spaces?
F(x) - c
A subset.
4.25 - 6 - 22
8

5. 60 < all primes <70
75:11
61 - 67
PEMDAS (Parentheses Exponents Multiplication/Division Addition/Subtraction)
2.592 kg

6. a^2 - b^2
12! / 5!7! = 792
The second graph is less steep.
(a - b)(a + b)
1

7. What is the empty set?
A set with no members - denoted by a circle with a diagonal through it.
41 - 43 - 47
A = I (1 + rt)
(amount of increase/original price) x 100%

8. Formula for the area of a sector of a circle?
Sector area = (n/360) X (pi)r^2
No - the input value has exactly one output.
4.25 - 6 - 22
Expressing a number as the product of a decimal between 1 and 10 - and a power of 10.

9. A triangle is inscribed in a semi circle with legs 5 and 12. What is the circumfermence of the semicircle?
4a^2(b)
90pi
.0004809 X 10^11
13pi / 2

10. x^2 = 9. What is the value of x?
A = I (1 + rt)
75:11
3 - -3
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)

11. Hector invested $6000. Part was invested in account with 9% simple annual interest - and the rest in account with 7% simple annual interest. If he earned $490 in the first year of these investments - how much did he invest in each account?
$3 -500 in the 9% and $2 -500 in the 7%.
2
Its divisible by 2 and by 3.
4096

12. Evaluate 4/11 + 11/12
180
x(x - y + 1)
4096
1 & 37/132

13. What is a minor arc?

Warning: Invalid argument supplied for foreach() in /var/www/html/basicversity.com/show_quiz.php on line 183

14. Is 0 even or odd?
Even
Move the decimal point to the right x places
The curve opens upward and the vertex is the minimal point on the graph.
III

15. What is the percent formula?
The graph of 3(x - 1)^2 is a translation (shift) of the graph one unit or space to the right.
Part = Percent X Whole
I
2(pi)r^2 + 2(pi)rh

16. What is the formula for computing simple interest?
A = I (1 + rt)
IV
N! / (n-k)!
Expressing a number as the product of a decimal between 1 and 10 - and a power of 10.

17. 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.
Lies opposite the greater angle
90 degrees
1
3

18. 4.809 X 10^7 =
.0004809 X 10^11
Sqrt 12
8
A set with no members - denoted by a circle with a diagonal through it.

19. (x^2)^4
The direction of the inequality is reversed.
True
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)
x^(2(4)) =x^8 = (x^4)^2

20. Can the output value of a function have more than one input value?
The overlapping sections.
G(x) = {x}
Yes. [i.e. f(x) = x^2 - 1
I

21. Simplify the expression (p^2 - q^2)/ -5(q - p)
1
(p + q)/5
.0004809 X 10^11
10! / 3!(10-3)! = 120

22. 2sqrt4 + sqrt4 =
62.5%
x(x - y + 1)
(base*height) / 2
3sqrt4

23. What are the smallest three prime numbers greater than 65?
PEMDAS (Parentheses Exponents Multiplication/Division Addition/Subtraction)
N! / (n-k)!
67 - 71 - 73
413.03 / 10^4 (move the decimal point 4 places to the left)

24. What is the 'Range' of a series of numbers?
No - only like radicals can be added.
x= (1.2)(.8)lw
1/(x^y)
The greatest value minus the smallest.

25. Evaluate (4^3)^2
61 - 67
The overlapping sections.
True
4096

26. 5x^2 - 35x -55 = 0
52
72
[(7+ sqrt93) /2] - [(7 - sqrt93) / 2]
The two xes after factoring.

27. Nine coins are tossed simultaneously. In how many of the outcomes will the fourth coin tossed show heads?
Arc length = (n/360) x pi(2r) where n is the number of degrees.
From northeast - counterclockwise. I - II - III - IV
2^9 / 2 = 256
Ax^2 + bx + c where a -b and c are constants and a /=0

28. Length of an arc of a circle?
Angle/360 x 2(pi)r
90
83.333%
Sqrt 12

29. 5/6 in percent?
83.333%
When the function is not defined for all real numbers -; only a subset of the real numbers.
1/a^6
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.

30. What is the absolute value function?
The empty set - denoted by a circle with a diagonal through it.
G(x) = {x}
The shortest arc between points A and B on a circle'S diameter.
(p + q)/5

31. Order of quadrants:
From northeast - counterclockwise. I - II - III - IV
Expressing a number as the product of a decimal between 1 and 10 - and a power of 10.
An isosceles right triangle.
3sqrt4

32. sqrt 2(sqrt 6)=
11 - 13 - 17 - 19
Sqrt 12
55%
1

33. What is it called when a point is reflected to the quadrant opposite it (i.e. I to III or II to IV)?
y = (x + 5)/2
F(x-c)
A reflection about the origin.
4a^2(b)

34. What is a piecewise equation?
It is a function defined by more than one equation - where each equation applies to a different part of the domain of the function.
1
23 - 29
The objects within a set.

35. What is a major arc?

Warning: Invalid argument supplied for foreach() in /var/www/html/basicversity.com/show_quiz.php on line 183

36. Which is greater? 27^(-4) or 9^(-8)
All numbers multiples of 1.
27^(-4)
.0004809 X 10^11
180 degrees

37. To multiply a number by 10^x
(n-2) x 180
Move the decimal point to the right x places
The two xes after factoring.
4725

38. Legs 6 - 8. Hypotenuse?
500
.0004809 X 10^11
10
No - only like radicals can be added.

39. Define a 'Term' -
180 degrees
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)
All numbers multiples of 1.

40. What is the 'union' of A and B?
Sector area = (n/360) X (pi)r^2
III
The set of elements which can be found in either A or B.
A grouping of the members within a set based on a shared characteristic.

41. Describe the relationship between 3x^2 and 3(x - 1)^2
When the function is not defined for all real numbers -; only a subset of the real numbers.
The graph of 3(x - 1)^2 is a translation (shift) of the graph one unit or space to the right.
28. n = 8 - k = 2. n! / k!(n-k)!
(b + c)

42. What is the area of a regular hexagon with side 6?
(a - b)^2
54sqrt3. (divide the hexagon into 6 congruent equilateral triangles.
F(x-c)
A subset.

43. If an inequality is multiplied or divided by a negative number....
The direction of the inequality is reversed.
A set with no members - denoted by a circle with a diagonal through it.
90pi
Pi is the ratio of a circle'S circumference to its diameter.

44. In a triangle inscribed inside a circle - where the diameter is one side of the triangle - which angle is largest?
Ax^2 + bx + c where a -b and c are constants and a /=0
413.03 / 10^4 (move the decimal point 4 places to the left)
The angle intersecting the circumference is always the largest angle - and is always 90 degrees.
.0004809 X 10^11

45. Circumference of a circle?
75:11
Diameter(Pi)
1 & 37/132
C = 2(pi)r

46. What is the set of elements which can be found in either A or B?
1/(x^y)
A central angle is an angle formed by 2 radii.
The union of A and B.
62.5%

47. 20<all primes<30
x^(4+7) = x^11
23 - 29
1
90

48. Pi is a ratio of what to what?

Warning: Invalid argument supplied for foreach() in /var/www/html/basicversity.com/show_quiz.php on line 183

49. What is the surface area of a cylinder with radius 5 and height 8?
130pi
Two angles whose sum is 90.
The graph of 3(x - 1)^2 is a translation (shift) of the graph one unit or space to the right.
(a + b)^2

50. Which is greater? 200x^295 or 10x^294?
2
Relationship cannot be determined (what if x is negative?)
The third side is greater than the difference and less than the sum.
A set with a number of elements which can be counted.

Sorry!:) No result found.

Can you answer 50 questions in 15 minutes?

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

Test your basic knowledge |

GRE Math: Common Errors

Sorry!:) No result found.

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

Certifications

IT Skills

Business Skills

Soft Skills

Vocabulary

Languages

Engineering

Health Sciences

English

Math

Other Major Subjects

Browse all subjects

Browse all tests

Most popular tests