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Test your basic knowledge |
GRE Math Strategies
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. Product of two odd numbers is
average
similar triangles
y-x
odd
2. 1/x + 1/y x -y ? 0
distributive axiom
equal to the slope of the other
x+y/xy
the last two digits of the number make a number that is divisible by 4
3. The measure of an interior angle is
cube
triangle
equal to the sum of the measures of the remote exterior angles
set
4. 180°
straight angle
altitude of a triangle
perpendicular
properties of a rhombus
5. (amount of decrease/original amount) x 100
simultaneous equations in 2 unknowns
w>0 and x>y
the percent of decrease
right triangle
6. The percent decrease from x to y ( y<x)
diameter
inconsistent lines
(x-y/x)100
parallel
7. Volume= 2/3?r² surface area= 2?r² (w/o bases) or 3?r² (with bases)
a+b+d=c+d
right triangle
hemisphere
similar triangles
8. ?if y angle< x angle - then
1 - 3 - 5 - 7 - 9
altitude of a triangle
a side< b side
c x (john'S age)
9. If the each element of the domain occurs only once as a FIRST component
equilateral triangle
isosceles triangle
acute angle
a relation is a function
10. 1. subtract each number from the average of the numbers 2. square the result of each of the numbers 3. add all those results and then divide by how many numbers you originally had. 4. take the square root of that result
equal angles
rectangle
set
standard deviation
11. Area= s² perimeter= 4s
square
range of a relation
right triangle
the sum of parts
12. Any integer is divisible by 5 if
n percent less than x
average
standard deviation
the last digit is either 0 or 5
13. x younger than y
a?n
x - y
radius of a circle
inverse of a relation
14. Sum of two even numbers is
even
the percent of decrease
never divide by zero
find the intersection of two sets
15. x < y or y> x
right triangle
x is less than y
if two sets have no elements in common
xy-xz
16. Pairs of opposite angles formed by the intersection of two straight lines. always equal to each other
all acute angles are equal and all obtuse angles are equal
(x-y/x)100
vertical angles
null set
17. Every set is a subset of
angle inscribed in semicircle
itself
square
the last three numbers are divisible by 8
18. The increase from x to y
c x (john'S age)
simultaneous equations
y-x
consistent lines
19. A pair of equations in two unknowns (each is graphed seperately and each is represented by a straight line)
cylinder
circle
simultaneous equations
properties of a square
20. All odd numbers end in the digits of
1 - 3 - 5 - 7 - 9
b+d>c+e
expression of an odd number
semicircle
21. Area= 1/2?r2 length= 1/2?d= ?r perimeter= d(1/2? +1)
expression of an even number
semicircle
x>y
xy< 0
22. Have two equal sides and two equal angles formed by the equal sides and the unequal side.
isosceles
distributive axiom
right triangle
isosceles triangle
23. z>y
properties of parallelograms
the sum of its digits is divisible by 9
x<0 and z=x+y
greater than c
24. 1-1-1 (60-60-60)
equilateral triangle
solution set
the percent of increase
x is greater than y
25. V3
any variable
1.7
x - y
quadratic equations
26. ? if a side is equal to b side then - the opposite corresponding angles are
right triangle
v2/2 or .71
equal
(x/100)m= n
27. A/A¹ = B/B¹= C/C¹
similar triangles
x²-2xy+y²
x>y
negative reciprocal of the other
28. (x+y)(x+y)= (x+y)²
x²+ 2xy+y²
closed set
x+y/xy
x and y
29. (sum of individual quantities or measures/ total number of quantities or measures)
right angle
diagonal of a square
average
perpendicular bisectors
30. If an equation can be put into the form y= mx +b - then
xy< 0
right triangle
b is the y-intercept
x percent
31. Between 90° and 180°
xy + xz
midpoint of a line segment joining 2 parts
obtuse angle
circle
32. x more than y
itself
x + y
approx products
parallelogram
33. 90°
right angle
expression of an even number
a side< b side
percent
34. Is a rectangular rhombus 1. all four sides are equal 2. opposite pairs of sides are parallel 3. diagonals are equal - are perpendicular to each other - and bisect each other. 4. all the angles are right triangles 5. diagonals intersect the vertices a
0 - 2 - 4 - 6 - 8
isosceles
the perpendicular distance
properties of a square
35. The percent increase from x to y (y>x)
y intercept
(y-x/x)100
x+y/xy
all acute angles are equal and all obtuse angles are equal
36. The sum of the interior angles is
circle
y angle< x angle
180 degrees
a set
37. If two lines are parallel - the slope of one is
equal to the slope of the other
x>y
simultaneous equations
right triangle
38. Which - what
average
any variable
1.4
w>0 and x>y
39. Is drawn from the vertices perpendicular to the opposite sides. The lengths of these lines are useful in calculating the area of the trinagle since the area of the triangle is 1/2bh and the height and the _____are the same.
associative axiom of addition and multiplication
altitude of a triangle
radius
the last two digits of the number make a number that is divisible by 4
40. The quotient of any quantity (except 0) divided by zero is infinity
(x/100)m= n
pythagorean theorem
never divide by zero
all acute angles are equal and all obtuse angles are equal
41. Integer is divisible by 2
a<x<b
if the last digit of the number is 0 -2 -4 -6 -8
it is also divisible by 2 and 3
expression of an even number
42. All three sides and all three angles are equal
the perpendicular distance
medians of a triangle
equilateral triangle
combinations
43. The lines that divide each angle of the triangle into two equal parts. these lines meet in a point that is the center of a circle inscribed in the triangle.
angle bisector
simultaneous equations in 2 unknowns
equal angles
b is the y-intercept
44. Area= 1/2bh perimeter= a + b+ c hypotenuse= c²= b²+a²
x<0 and z=x+y
it is also divisible by 2 and 3
n= mx/100
right triangle
45. 1. round the numbers being multiplied to one more place than it is being asked. 2. Multiply the rounded off numbers 3. round of product to desired number of places
approx products
1
positive
belongs to
46. 1. square all choices given 2. select the closes choice that is too large and the one that is too small. 3. find the average of the two choices (not of the squares) 4. square the average - if it is greater than the original number - choose the lower
midpoint of a line segment joining 2 parts
regular polygon properties
approx square roots
consistent lines
47. 360°
right triangle
0 - 2 - 4 - 6 - 8
approx products
circle
48. Ax= by + C
equal angles
x - y
xy< 0
simultaneous equations in 2 unknowns
49. Volume= e(edge)³ surface area= 6e²
a set
(x/100)m= n
cube
n percent less than x
50. Sin 60°
the percent of decrease
hemisphere
v3/2 or .87
area of a triangle