Redred Flashcards

1
Q

Fector colofn

A

(x/y)

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2
Q

Creu 60 gradd
A 30

A

Unrhwy cylch ar y ongl
Cylch o ble maen croesi yr llinell lorweddol

Cylch o ble maer dau yn croesi

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3
Q

Os my rhif sgwar

A

Holl pwerau yn eilrifau

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4
Q

Er mun lluosi/channu chifer muyn ei newid i fod yn chif sqwâr,

A

Ysgrifennnchy rhif yn y ffurf indecs;(b) Lluoswxh/ rannwxg y rhifau yn yr indefs ble nad ydynt yn eilrhifau
122= 2^2 x 3
122x3=rgif sgwar

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5
Q

Darganfod ailisradd heb ctfrif

A

Dargsnfod holl indecs
Hanneri
And gweithio allan

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6
Q

Y tri math o onglau

A

Cyfatwbol ( F
Eiledol Z
Mewnol C adio ib180

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7
Q

Trawsfuso cylchdro

A

Papur trasio

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8
Q

Camau bill trydan

A

Unedau wedi defnyddio
Cost pob uned
C i punoedd
Adii Tal sefydoleg
Cyfrio treth ar wertg
Afio treth ar werth

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9
Q

Camau bill teydan

A

Fainf o unedau
Cost unedau
Ceiniog i punt
Tak sefyfydlog
Cyfrio treth ar werth
Ychwangru at y cost

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10
Q

Darganfod graddiant

A

Bewid yn y/ newid yn x

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11
Q

Syt gallwn ni ysgrufennu Linnek ar graph

A

Y=mx + c

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12
Q

Beth yw m
Beth tw c

A

Am pob mynd ir dde maw angen mymd m i fynny (postiftf neu negatif)
Ble maer croesi yr llinell y

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13
Q

Dargamfis hafaliad cydamserol ar graff

A

Plotio
Cyfesyrynnau ble maer llinellsu yn croesi

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14
Q

Sut i datrys cydamself graff

A

Plotio
Nle maer llinell yn croesi

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15
Q

Bethby rheol am graddiant llinellau perpandicular(obgl sgwar)

A

Lluosi i -1

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16
Q

Adlweyrchu
Bottom left to top right
Top left to bottom right

A

Y=x
Y=-x

17
Q

Sut I hanneri ongl

A

A
B/__C
Point ar B a creu llinellaubar ab ac bc
Heb newid main yr cwmpawd creu arviau o mannau newydd creu ac tujny llinell