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GRE Math: All In One

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 series of numbers?
3
N! / (k!)(n-k)!
The greatest value minus the smallest.
2 & 3/7

2. If Madagascar'S exports totaled 1.3 billion in 2009 - and 4% came from China - what was the value in millions of the country'S exports to China?
3
52
Yes - because you can factor out a perfect square (36). Sqrt(36 x 2) = sqrt36 X sqrt2 = 6sqrt2.
x(x - y + 1)

3. What is the 'Range' of a function?
1.0843 X 10^11
1
10
The set of output values for a function.

4. the slope of a line in y=mx+b
1
M
y = 2x^2 - 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)

5. 30 60 90
3 - 4 - 5
Two equal sides and two equal angles.
441000 = 1 10 10 10 21 * 21
A natural number greater than 1 that has no positive divisors other than 1 and itself

6. Rate
Positive or Negative
D/t (distance)/(time)
zero
P= 2L + 2w

7. Formula to find a circle'S circumference from its radius?
28
12sqrt2
C = 2(pi)r
The steeper the slope.

8. -3³
27
An expression with just one term (-6x - 2a^2)
$11 -448
An infinite set.

9. If a is negative and n is even then an is (positive or negative?)
An is positive
$3 -500 in the 9% and $2 -500 in the 7%.
1
[(7+ sqrt93) /2] - [(7 - sqrt93) / 2]

10. x^4 + x^7 =
zero
P=2(l+w)
x^(4+7) = x^11
Parallelogram

11. Ø Is
Diameter(Pi)
Ø
EVEN
180

12. The reciprocal of any non-zero #x is
y = 2x^2 - 3
1/x
F(x) - c
All numbers multiples of 1.

13. The Perimeter of a Square
P=4s (s=side)
62.5%
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)
(a - b)(a + b)

14. 25^(1/2) or sqrt. 25 =
71 - 73 - 79
5 OR -5
90pi
Undefined - because we can'T divide by 0.

15. 25/2³
P=2(l+w)
23 - 29
Positive
2²

16. Important properties of a 30-60-90 triangle?
90pi
The point of intersection of the systems.
The triangle is a right triangle. The hypotenuse is twice the length of the shorter leg. The ratio of the length of the three sides is x:xv3:2x
A=½bh

17. A company places a 6-symbol code on each product. The code consists of the letter T - followed by 3 numerical digits - and then 2 consonants (Y is a conson). How many codes are possible?
$11 -448
x(x - y + 1)
441000 = 1 10 10 10 21 * 21
Null

18. The only number that is equal to its opposite
Reciprocal
6
Members or elements
Ø Ø=Ø

19. formula for area of a triangle
180
Expressing a number as the product of a decimal between 1 and 10 - and a power of 10.
1
A=½bh

20. 1/6 in percent?
16.6666%
Positive
The set of input values for a function.
1 - 4 - 9 - 16 - 25 - 36 - 49 - 64 - 81 - 100 - 121 - 144 - 169 - 196 - 225

21. What is a central angle?
9 & 6/7
y2-y1/x2-x1
NOT A PRIME
A central angle is an angle formed by 2 radii.

22. Suppose that the graph of f(x) is the result of stretching y=x + 5 away from the x-axis by a factor of 2. What is the new equation for the graph f(x)?
y = (x + 5)/2
(pi)r²
1/2 times 7/3
1/x

23. The larger the absolute value of the slope...
(2x7)³
180
A-b is negative
The steeper the slope.

24. What is the common monomial factor in the expression 4(c^3)d - (c^2)(d^2) + 2cd?
P=2(l+w)
Triangles with same measure and same side lengths.
The triangle is a right triangle. The hypotenuse is twice the length of the shorter leg. The ratio of the length of the three sides is x:xv3:2x
Cd

25. Pi is a ratio of what to what?

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26. What is the 'Solution' for a set of inequalities.
5 OR -5
Ab=k (k is a constant)
The overlapping sections.
The objects within a set.

27. 10^6 has how many zeroes?
A=pi*(r^2)
Sum of digits is a multiple of 3 and the last digit is even.
1
6

28. Formula to calculate arc length?
NOT A PRIME
Every number
Arc length = (n/360) x pi(2r) where n is the number of degrees.
Ø

29. The sum of the measures of the n angles in a polygon with n sides
26
(n-2) x 180
12sqrt2
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)

30. Simplify the expression (p^2 - q^2)/ -5(q - p)
(p + q)/5
C = 2(pi)r
V=l×w×h
Straight Angle

31. Convert 0.7% to a fraction.
5 - 12 - 13
7 / 1000
y2-y1/x2-x1
(rate)(time) d=rt

32. What is the surface area of a cylinder with radius 5 and height 8?
Ø
M
130pi
70

33. In a Rectangle - each angles measures
90°
The set of elements found in both A and B.
Relationship cannot be determined (what if x is negative?)
55%

34. How many digits are there between the decimal point and the first even digit in the decimal equivalent of 1/[(2^8)(5^3)]
An infinite set.
500
4096
0

35. 1:1:sqrt2 is the ratio of the sides of what kind of triangle?
An isosceles right triangle.
(a + b)^2
Straight Angle
6

36. a/Ø
EVEN
Null
6
A percent is a fraction whose denominator is 100.

37. 5x^2 - 35x -55 = 0
A-b is negative
Positive or Negative
[(7+ sqrt93) /2] - [(7 - sqrt93) / 2]
The graph of 3(x - 1)^2 is a translation (shift) of the graph one unit or space to the right.

38. If a is positive - an is
1
Positive
C = 2(pi)r
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)

39. 1n
4a^2(b)
1
41 - 43 - 47
Ø

40. b¹
31 - 37
The triangle is a right triangle. The triangle is isosceles (AC=BC). The ratio of the lengths of the three sides is x:x:xv2.
3
1

41. 30 60 90
x - x(SR3) - 2x
7 / 1000
55%
3 - -3

42. Ø is a multiple of
A<-b
Ø
Every number
288 (8 9 4)

43. There are 10 finalists for the school spelling bee. A first - second - and third place trophy will be awarded. How many different people can get the three prizes?
4:9. The ratio of the areas of two similar triangles equals the square of the ratio of the corresponding sides.
10! / 3!(10-3)! = 120
x - x+1 - x+2
V=l×w×h

44. What are congruent triangles?
Ab=k (k is a constant)
Be Zero!
= (actual decrease/Original amount) x100% = 20/100x100% = 20%
Triangles with same measure and same side lengths.

45. What is a subset?
A= (1/2) b*h
The set of input values for a function.
A grouping of the members within a set based on a shared characteristic.
(length)(width)(height)

46. When dividing exponential #s with the same base - you do this to the exponents...
Subtract them. i.e (5^7)/(5^3)= 5^4
The sum of the digits is a multiple of 3 (i.e. 45 ... 4 + 5 = 9 so the whole thing is a multiple of 3)
A subset.
A set with no members - denoted by a circle with a diagonal through it.

47. 25+2³
4:9. The ratio of the areas of two similar triangles equals the square of the ratio of the corresponding sides.
27
28
EVEN

48. a^2 - 2ab + b^2
90
P(E) = ø
(a - b)^2
67 - 71 - 73

49. P and r are factors of 100. What is greater - pr or 100?
Indeterminable.
360°
The direction of the inequality is reversed.
The two xes after factoring.

50. What is the intersection of A and B?
1/a^6
The set of elements found in both A and B.
Straight Angle
4a^2(b)