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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. Ax= by + C
x percent
c x (john'S age)
simultaneous equations in 2 unknowns
x and y
2. Angle whose sides are two radii of the circle. The vertex of this angle is the center of the circle. The number of degrees is equal to the amount of arc length that the radd intercept.
any variable
supplementary angles
standard deviation
central angle
3. Pairs of opposite angles formed by the intersection of two straight lines. always equal to each other
x²+ 2xy+y²
xy>0
vertical angles
180 degrees
4. Every set is a subset of
y angle< x angle
x<0
itself
Axioms
5. Square of hypotenuse = c² = a²+b² length of hypotenuse = c= va²+vb²
x²-y²
pythagorean theorem
x>y
odd
6. B>c+ d>e
b+d>c+e
x is less than y
negative reciprocal of the other
xy-xz
7. (amount of increase/original amount) x 100
the percent of increase
(y-x/x)100
b is the y-intercept
rectangular solid
8. Volume= 4/3?r² surface area= 4?r²
sphere
v(x2-x1)²+ (y2-y1)²
all acute angles are equal and all obtuse angles are equal
opposite the greatest side
9. 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
area of a triangle
the last three numbers are divisible by 8
x is less than y
10. (3+5) +6= 3+ (5+6) and (3x5)6= 3(5x6)
relation
1 - 3 - 5 - 7 - 9
associative axiom of addition and multiplication
x - y
11. x more than y
the sum of its digits is divisible by 3
vertical angles
x + y
1 - 3 - 5 - 7 - 9
12. All odd numbers end in the digits of
1 - 3 - 5 - 7 - 9
a
always positive or zero
supplementary angles
13. Angles that equal 180 degrees
supplementary angles
right triangle
1
trapezoid
14. Area = ?r² circumference(perimeter)= 2?r
circle
0 - 2 - 4 - 6 - 8
x intercept
x>y
15. R²
properties of a rectangle
a<x<b
any variable
diameter of circle
16. Of
rectangular solid
x<0 and z=x+y
x>y>0 and w>z>0
times
17. A+b=c+ d=d
then side b > side a
a+b+d=c+d
finding the union of sets
right triangle
18. /100 (the ______ number over 100)
the percent of increase
angle a and angle b = angle d
combinations
percent
19. Any integer is divisible by 10 - if
the last digit is 0
commutative axiom of addition and multiplication
w<0 and x>y
a relation is a function
20. ?
is a subset of
domain of a relation
square
hemisphere
21. 90°
parallel
x+y/xy
percent
right angle
22. Is - as - was - has - cost
inconsistent lines
equals
inverse of a relation
angle bisector
23. M= y2-y1/x2-x1
slope of a line joining two points
Axioms
180 degrees
chord
24. 2k + 1
y-x
±vx
xy
expression of an odd number
25. (x+y) (x-y)
x²-y²
approx square roots
midpoint of a line segment joining 2 parts
slope of a line joining two points
26. A pair of equations in two unknowns (each is graphed seperately and each is represented by a straight line)
w>0 and x>y
simultaneous equations
the percent of increase
+y
27. Area= 1/2bh perimeter= a + b+ c hypotenuse= c²= b²+a²
right triangle
equal to the slope of the other
x-y
it is also divisible by 2 and 3
28. If two lines are perpendicular - the slope of one is the
inconsistent lines
xy-xz
no solutions
negative reciprocal of the other
29. ?
null set
x-y
x + y
implies
30. Any line that connects two points on a circle.
chord
1
y intercept
odd
31. x>z
x>y and y>z
even
parallel
xy
32. Wx>wy
1.7
x²+ 2xy+y²
right triangle
w>0 and x>y
33. V2
1.4
±vx
if two sets have no elements in common
all acute angles are equal and all obtuse angles are equal
34. x/100
x percent
x²-2xy+y²
if the last digit of the number is 0 -2 -4 -6 -8
right triangle
35. All sides are equal and all of whose angles are equal. 1. can be inscribed in a circle and can be circumscribed about another circle. 2. each angle is equal to the sum of the angles divided by the number of sides 180(n-2)°/n.
regular polygon properties
the last three numbers are divisible by 8
permutations
(x/100)m= n
36. All even numbers end in the digits of
180 degrees
negative reciprocal of the other
0 - 2 - 4 - 6 - 8
a<x<b
37. Diagonals are perpendicular to each other and bisect the vertex angles 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 diagonal
x>y
right angle
the third side
properties of a rhombus
38. Two tangents to a circle from the same point outside of the circle are always
x and y
equal
the last digit is 0
slope of a line joining two points
39. Diagonal= sv2
diagonal of a square
equilateral triangle
straight angle
xy + xz
40. x>0 and y>0 or x<0 and y<0
midpoint of a line segment joining 2 parts
even
positive
xy>0
41. Volume= bh or ?r²h surface area= 2?rh (w/o bases) or 2?r(h+r) with bases
parallel
cylinder
negative
right triangle
42. 1/2d
+y
x>y
radius of a circle
inverse of a relation
43. The case where the two equations are equivalent (just two different forms of the same mathematical relation). Any point that satisfies either of the equations - automatically satisfies both
Axioms
sphere
central angle
coinciding lines
44. 180°
straight angle
properties of parallelograms
properties of a rhombus
distributive axiom
45. Have two equal sides and two equal angles formed by the equal sides and the unequal side.
belongs to
opposite the greatest side
isosceles triangle
x+y/xy
46. The product of x and y
odd
vertical angles
always positive or zero
xy
47. Any integer is divisible by 8 if
right triangle
two solutions
tangent
the last three numbers are divisible by 8
48. If an equation can be put into the form y= mx +b - then
the last three numbers are divisible by 8
greater than c
b is the y-intercept
pythagorean theorem
49. 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
equilateral triangle
properties of parallelograms
b is the y-intercept
even
50. In transversals
all acute angles are equal and all obtuse angles are equal
times
a
isosceles triangle