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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. the measure of a straight angle
3
62.5%
180°
Two (Ø×2=Ø)

2. Area of a triangle?
(base*height) / 2
y = 2x^2 - 3
Diameter(Pi)
5 OR -5

3. Suppose that the graph of f(x) is the result of sliding the graph of y=2x^2 down 3 units of spaces. What is the new equation?
True
y = 2x^2 - 3
A grouping of the members within a set based on a shared characteristic.
Arc length = (n/360) x pi(2r) where n is the number of degrees.

4. Legs: 3 - 4. Hypotenuse?
(length)(width)(height)
5
Circumference = Diameter(pi). Use pythagorean theorem to find the diagonal of the square (the diameter).
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)

5. The Perimeter of a rectangle
(a + b)^2
P=2(l+w)
1/a^6
All numbers multiples of 1.

6. The percent decrease of a quantity
= (actual decrease/Original amount) x 100%
The overlapping sections.
18
6

7. x^2 = 9. What is the value of x?
Two (Ø×2=Ø)
3 - -3
(a + b)^2
13pi / 2

8. What is the empty set?
A reflection about the axis.
N! / (k!)(n-k)!
A set with no members - denoted by a circle with a diagonal through it.
The sum of digits is divisible by 9.

9. (x-y)²
x²+2xy+y²
The direction of the inequality is reversed.
Pi is the ratio of a circle'S circumference to its diameter.
x²-2xy+y²

10. X is the opposite of
Multiply by 1-x% i.e. 100 x (1-50%)=100x.5=50
1/a^6
288 (8 9 4)
X

11. When dividing exponential #s with the same base - you do this to the exponents...
Subtract them. i.e (5^7)/(5^3)= 5^4
75:11
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
(distance)/(rate) d/r

12. The sum of the angles in a quadrilateral is
8
10! / (10-3)! = 720
Indeterminable.
360°

13. Simplify the expression [(b^2 - c^2) / (b - c)]
Diameter(Pi)
Can be negative - zero - or positive
(b + c)
26

14. For any number x
A grouping of the members within a set based on a shared characteristic.
The sum of its digits is divisible by 3.
Can be negative - zero - or positive
M

15. 40 < all primes<50
2sqrt6
A= (1/2) b*h
360/n
41 - 43 - 47

16. Perimeter of a rectangle
2^9 / 2 = 256
A=(base)(height)
(base*height) / 2
P= 2L + 2w

17. What is the set of elements found in both A and B?
360/n
Can be negative - zero - or positive
y/x is a constant
The interesection of A and B.

18. How many sides does a hexagon have?
6
y = (x + 5)/2
Negative
A-b is positive

19. Slope
y2-y1/x2-x1
(length)(width)(height)
An expression with just one term (-6x - 2a^2)
180

20. the slope of a line in y=mx+b
M
1
12.5%
A= (1/2) b*h

21. 3 is the opposite of
= 25%. = (actual increase/original amount) x 100% = 20/80 x 100% = 1/4 x 100% = 25%
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
3
Even

22. factored binomial product of (x+y)²
Distance=rate×time or d=rt
2
A chord is a line segment joining two points on a circle.
x²+2xy+y²

23. In any polygon - all external angles equal up to
M= (Y1-Y2)/(X1-X2)
4096
F(x) + c
360°

24. Whats the difference between factors and multiples?
Factors are few - multiples are many.
An infinite set.
= (actual decrease/Original amount) x 100%
M= (Y1-Y2)/(X1-X2)

25. What is a finite set?
The set of elements found in both A and B.
2²
V=l×w×h
A set with a number of elements which can be counted.

26. Circumference of a Circle
C=2 x pi x r OR pi x D
[(7+ sqrt93) /2] - [(7 - sqrt93) / 2]
Cd
Parallelogram

27. Evaluate 3& 2/7 / 1/3
An isosceles right triangle.
1/a^6
1/2 times 7/3
9 & 6/7

28. What does scientific notation mean?
Ab=k (k is a constant)
16^8 64^5 = (4^3)^5 = 4^15 16^8=(4^2)^8 = 4^16
The longest arc between points A and B on a circle'S diameter.
Expressing a number as the product of a decimal between 1 and 10 - and a power of 10.

29. A triangle is inscribed in a semi circle with legs 5 and 12. What is the circumfermence of the semicircle?
500
13pi / 2
27^(-4)
87.5%

30. A number is divisible by 9 if...
1 - P(E)
The sum of digits is divisible by 9.
2²
180

31. What is the graph of f(x) shifted right c units or spaces?
F(x-c)
A = length x width
D/t (distance)/(time)
3

32. a>b then a - b is positive or negative?
$3 -500 in the 9% and $2 -500 in the 7%.
When we need to avoid having a zero in the denominator or avoid taking the square root of a number.
9 : 25
A-b is positive

33. (x^2)^4
M
x^(2(4)) =x^8 = (x^4)^2
D/t (distance)/(time)
55%

34. 10^6 has how many zeroes?
41 - 43 - 47
6
True
Factors are few - multiples are many.

35. formula for volume of a rectangular solid
9
8
441000 = 1 10 10 10 21 * 21
V=l×w×h

36. What is a major arc?

37. If a is negative and n is even then an is (positive or negative?)
1 - 4 - 9 - 16 - 25 - 36 - 49 - 64 - 81 - 100 - 121 - 144 - 169 - 196 - 225
A natural number greater than 1 that has no positive divisors other than 1 and itself
An is positive
y2-y1/x2-x1

38. Formula for the area of a sector of a circle?
1 - 4 - 9 - 16 - 25 - 36 - 49 - 64 - 81 - 100 - 121 - 144 - 169 - 196 - 225
Sector area = (n/360) X (pi)r^2
1
P(E) = 1/1 = 1

39. -3²
... the square of the ratios of the corresponding sides.
Ø
The graph of 3(x - 1)^2 is a translation (shift) of the graph one unit or space to the right.
9

40. What are 'Supplementary angles?'
180
Two angles whose sum is 180.
Even prime number
Two angles whose sum is 90.

41. Simplify 9^(1/2) X 4^3 X 2^(-6)?
N! / (n-k)!
Two angles whose sum is 180.
The direction of the inequality is reversed.
3

42. 1/2 divided by 3/7 is the same as
The sum of digits is divisible by 9.
1/2 times 7/3
A multiple of every integer
12sqrt2

43. If E is certain
2
P(E) = 1/1 = 1
N! / (k!)(n-k)!
1.0843 X 10^11

44. Ø is
[(7+ sqrt93) /2] - [(7 - sqrt93) / 2]
Negative
31 - 37
Even

45. 30 60 90
288 (8 9 4)
3x - 4x - 5x
3/2 - 5/3
441000 = 1 10 10 10 21 * 21

46. What is the graph of f(x) shifted upward c units or spaces?
x - x+1 - x+2
F(x) + c
N! / (k!)(n-k)!
(12/2) x (sqrt15 / sqrt5) = 6sqrt3

47. Distance
P(E) = 1/1 = 1
A=pi*(r^2)
(rate)(time) d=rt
A = length x width

48. The reciprocal of any non-zero #x is
1/x
360°
A+c<b+c
A grouping of the members within a set based on a shared characteristic.

49. a(b+c)
Ab+ac
(2x7)³
37.5%
Edge³

50. Ø is a multiple of
A 30-60-90 triangle.
2 - 3 - 5 - 7 - 11 - 13 - 17 - 19 - 23 - 29
62.5%
Every number