DAY 3- MATHEMATICAL TERMS

Question 1

Numbers which allow us to count the objects or ideas in a given collection

Answer 1

Cardinal numbers

Question 2

Numbers which state the position of the individual objects in a sequence

Answer 2

Ordinal numbers

Question 3

Used by romans to indicate that a number should be multiplied by 100

Answer 3

Bracket

Question 4

Roman (multiply by 1000)

Answer 4

Vinculum

Question 5

Multiply the numbwe by 1000000

Answer 5

Doorframe

Question 6

Equal to the square root of negative one

Answer 6

Imaginary number

Question 7

Positive integers that have more that two positive whole number factors

Answer 7

Composite numbers

Question 8

Integer greater than 1 that is divisible only by 1 itself

Answer 8

Prime number

Question 9

“Every positive integer greater than 1 is a prime or can be expressed as a unique product of primes and power of primes”

Answer 9

Fundamental theorem of arithmethic

Question 10

The only even number that is a prime number

Answer 10

2

Question 11

Set of two consecutive odd primes which differ by two

Answer 11

Twin primes

Question 12

Symmetric primes are also called______

Answer 12

Euler primes

Question 13

A prime number that remains a prime when its digits are reversed

Answer 13

Emirp

Question 14

An integer that is equal to the sum of all its possible divisors except the number itself

Answer 14

Perfect number

Question 15

Two integers where each is the sum of all the possible divisors of the other

Answer 15

Amicable numbers

Question 16

Factorial symbol was introduced by

Answer 16

Christian Kramp

Question 17

The name Celsius and Fahrenheit was named after

Answer 17

Anders Celsius and Gabriel Daniel Fahrenheit

Question 18

Kelvin was named after British physicist

Answer 18

William Thompson

Question 19

How many Mil are there in one revolution?

Answer 19

6400

Question 20

If ab=0, then a=0 and b=0, this property is known as

Answer 20

Zero-Factor Property

Question 21

Radical was first used by ________ in his Die Coss

Answer 21

Christoff Rudolff

Question 22

It is a radical expressing an irrational number

Answer 22

Surd

Question 23

Refers to the product of several prime numbers occuring in the denominators, each taken with its greatest multiplicity

Answer 23

Least Common Denominator

Question 24

Number that two other numbers will divide into evenly

Answer 24

Common multiple

Question 25

A number that divides into larger number evenly

Answer 25

Factor

Question 26

Logarithm with base e is called

Answer 26

Natural logarithm or Napierean logarithm

Question 27

Logarith with base 10

Answer 27

Briggsian logarithm

Question 28

e

Answer 28

Euler's number

Question 29

Father of Algebra

Answer 29

Diophantus of Alexandria

Question 30

Branch of mathematics that concerns with the selection of objects called elements

Answer 30

Combinatorics

Question 31

Ordered arrangement of a finite number of elements

Answer 31

Permutation

Question 32

Arrangement of the selection of objects regardless of the order

Answer 32

Combination

Question 33

Numberical assessment of likelihood

Answer 33

Probability

Question 34

Father of the theory of probability

Answer 34

Gerolamo Cardano

Question 35

He gave emphasis on Plane Geometry

Answer 35

Euclid

Question 36

Contributed in solid geometry

Answer 36

Archimedes

Question 37

The problems of this type of geometry can be solved by logical reasoning from an initial core of postulates (axioms)

Answer 37

Euclidean Geometry

Question 38

Other term for Full angle (equal to 360 degrees)

Answer 38

Perigon

Question 39

Two angles with a common leg

Answer 39

Adjacent angles

Question 40

Two angles whose sum is a perigon

Answer 40

Explementary angles

Question 41

A straight line which divides a geometric figure into two equal figures

Answer 41

Bisector

Question 42

Also called the centesimal degree (1/400th of the full circle)

Answer 42

Gon

Question 43

A triangle with sides 3,45 units

Answer 43

Egyptian triangle

Question 44

Triangle inscribed in a given triangle whose vertices are the feet of the three perpendiculars to the sides from point inside a given triangle

Answer 44

Pedal triangle

Question 45

Golden ratio

Answer 45

72, 72, 36

Question 46

segment of a secant bounded by the circle

Answer 46

chord

Question 47

a lime cutting the circle in two places

Answer 47

Secant

Question 48

area bounded by two radiu and the included arc

Answer 48

sector

Question 49

area bounded by a chord and the arc subtending the chord

Answer 49

segment

Question 50

A solid whose faces are plane polygons

Answer 50

Polyhedron

Question 51

Law of sines was demonstrated by ________

Answer 51

Ptolemy of Alexandria

Question 52

Law of Cosines was introduced by ______

Answer 52

Francois Viete

Question 53

A circle whose center coincides with the center of the spehere

Answer 53

Great Circle

Question 54

Surfaces of wedges are called _____ or ______

Answer 54

Spherical lunes or digons

Question 55

Terrestrial sphere refers to the earth as sphere with a radius of ____________

Answer 55

3959 statute miles

Question 56

Angular distance of the point from the equator

Answer 56

Latitude

Question 57

One minute of the arc of latitude is approximately __________

Answer 57

one nautical mile or 1852 meters

Question 58

Angular distance between the prime meridian and the meridian through the point

Answer 58

Longtitude

Question 59

The term conic was first introduced by _____

Answer 59

Apollonius

Question 60

Leibnis named integral calculus as

Answer 60

calculus summatorius

Question 61

F=kx, k is the spring constant

Answer 61

Hooke's law

Question 62

An integral in which the integrand is integrated to n times is ______

Answer 62

n-fold iterated integral

Question 63

Quantities whose measurement is specified by magnitude and direction

Answer 63

Vector

Question 64

Quantities which have only magnitudes

Answer 64

Scalar quantities

Question 65

A vesto whose action is not confined to or associated with a unique line in space

Answer 65

Free vector

Question 66

Propert of the body by virtue of which a resultant force is required to change its motion

Answer 66

Inertie

Question 67

Product if the force and the time during which it acts

Answer 67

Impulse

Question 68

Collision of two bodies in which KE as well as momentym is conseved

Answer 68

Elastic collision

Question 69

Negative ratio of the relative velocity after collision to the relative velocity before collision

Answer 69

Coefficient of restitution

Question 70

Refers to the study of motion without reference to the forces which causes the motion

Answer 70

Kinematics

Question 71

The limited amount of resistance to sliding between the surfaces of two bodies in contact

Answer 71

Friction

Question 72

Motion in a plane or one dimension

Answer 72

Rectilinear translation

Question 73

Stress beyond which the material will not return to its original shape when the load is removed

Answer 73

Elastic limit

Question 74

Permanent deformation caused by excessive stress

Answer 74

Pemanent set

Question 75

Point where there is an appreciable elongation or yielding of the material even without any corresponding increase of load

Answer 75

Yield point

Question 76

Refers to the highest ordinare in the stress-strain diagram

Answer 76

Ultimate stress

Question 77

Sometimes known as stress at failure

Answer 77

Rapture strength

Question 78

Actual stress of the material when loaded

Answer 78

Working stress

Question 79

Maximum safe stress which the material can carry

Answer 79

Allowable stress

Question 80

Ratio of the ultimate stress to allowable stress

Answer 80

Factor of safety

Question 81

Angular change between two perpendicular faces of a differential element

Answer 81

Shearing strain

Question 82

Refers to the modulus of elasticity in shear

Answer 82

modulus of rigidity

Question 83

Refers to the twisting of solid or hollow circular shafts

Answer 83

Torsion