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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. Integer is divisible by 2
right triangle
the sum of its digits is divisible by 3
if the last digit of the number is 0 -2 -4 -6 -8
x²-2xy+y²
2. y years from now
+y
quadratic equations
negative
or
3. A chord through the center of the circle
diameter
if two sets have no elements in common
trapezoid
diameter of circle
4. A pair of equations in two unknowns (each is graphed seperately and each is represented by a straight line)
1.4
simultaneous equations
percent
slope of a line joining two points
5. (x1+ x2/2) - (y1+y2/2) Each coordinate of the midpoint is equal to the average of the corresponding cordinates of the endpoints
simultaneous equations
parallelogram
midpoint of a line segment joining 2 parts
percent
6. All three sides and all three angles are equal
two solutions
equilateral triangle
or
xy< 0
7. Sum of two odd numbers is
xy + xz
even
the square of x
1
8. 8-15-17
-y
right triangle
expression of an odd number
isosceles triangle
9. 5+3= 3+5 and 5 x 3= 3 x 5
straight angle
approx products
implies
commutative axiom of addition and multiplication
10. R²
triangle
obtuse angle
diameter of circle
angle a and angle b = angle d
11. Product of two odd numbers is
diameter of circle
odd
isosceles triangle
x%
12. Angles directly across each other are equal
the sum of its digits is divisible by 3
x + y
vertical angles
22/7 or 3.14
13. xw> yz
the sum of parts
any variable
equals
x>y>0 and w>z>0
14. 9-40-41
properties of a square
a set
right triangle
acute angle
15. 1.each pair of opposite sides are equal 2. the diagonals bisect eachother 3. the opposite angles are equal 4. one diagonal divides it into two congruent triangles and two diagonals divides it into two pairs of congruent triangles
properties of parallelograms
xy>0
the percent of increase
a
16. M=number of favorable ways n= total number of ways (two events occurring is the prob of the first times the prob of the second)
hemisphere
(x-y/x)100
x percent
probability
17. A°
1
the percent of decrease
a
range of a relation
18. Pairs of opposite angles formed by the intersection of two straight lines. always equal to each other
sphere
vertical angles
straight angle
(y-x/x)100
19. Ax= by + C
simultaneous equations in 2 unknowns
x-y/xy
x is greater than y
x²-y²
20. Which - what
right triangle
isosceles triangle
any variable
x intercept
21. 1-v3- 2 (90-30-60)
cube
x is less than y
right triangle
x>y
22. Side a +side b of a ? is
n percent greater than x
greater than c
equal to the slope of the other
x>y and w>z
23. 180°
belongs to
angle inscribed in semicircle
if two sets have no elements in common
triangle or straight line
24. The sum of the interior angles is
simultaneous equations
x-y/xy
180 degrees
opposite the greatest side
25. Angles that equal 180 degrees
equilateral triangle
x%
supplementary angles
never divide by zero
26. x + y
x<0
approx square roots
x and y
quadratic equations
27. ? if a side < b side - then
y angle< x angle
x - y
isosceles
approx products
28. B²-4ac = 0 there is
x<0
odd
one solution
inverse of a relation
29. A+b=c+ d=d
expression of an odd number
chord
the last digit is 0
a+b+d=c+d
30. What % of m is n
one solution
times
(x/100)m= n
inverse of a relation
31. (x+y)(x+y)= (x+y)²
properties of a square
x²-y²
x²+ 2xy+y²
simultaneous equations in 2 unknowns
32. 1. solve the equation or inequality 2. use ONLY the solutions which satisfy the condition required - the set of all x such that x is greater than or equal to 10 R= {x: x=10}
a
-y
xy + xz
when finding a solution set
33. The point where the line crosses the y-axis - x will always = 0 in this case
y intercept
v3/2 or .87
positive
simultaneous equations
34. If two lines are parallel - the slope of one is
y angle< x angle
two solutions
equal to the slope of the other
x + y
35. 1-1-1 (60-60-60)
properties of parallelograms
equilateral triangle
equal
consistent lines
36. y<x
x>y
expression of an even number
quadratic equations
the sum of its digits is divisible by 3
37. ?if y angle< x angle - then
supplementary angles
180 degrees
a side< b side
isosceles
38. Any line that connects two points on a circle.
chord
equal
inscribed angle
odd
39. The point where the line crosses the x-axis - y will always = 0 in this case
x intercept
x>y
solution set
medians of a triangle
40. ?
two solutions
triangle or straight line
or
a relation is a function
41. The difference between x and y
two solutions
or
right triangle
x - y
42. Less than 90°
acute angle
x²+ 2xy+y²
triangle or straight line
the percent of decrease
43. Is - as - was - has - cost
x%
1.4
all acute angles are equal and all obtuse angles are equal
equals
44. ?
b+d>c+e
and
x is greater than y
the percent of decrease
45. Volume=lwh surface area= 2wh + 2hl + 2lw
a set
associative axiom of addition and multiplication
the third side
rectangular solid
46. Between 180° and 360°
y-x
reflex angle
area of a triangle
w>0 and x>y
47. 3-4-5
triangle or straight line
right triangle
1/2
properties of parallelograms
48. ?
greater than c
right triangle
is a subset of
x<0 and z=x+y
49. 3(4+1)= 3 x 4 + 3 x 1
x intercept
1.7
x + y
distributive axiom
50. The product of an odd number of negative numbers is
x%
x + y
negative
x²-2xy+y²
Can you answer 50 questions in 15 minutes?
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