Glas Tywyll

Question 1

Beth yw
Amlder
Amdler cymharol

Answer 1

Sawl gwaith maen dugwydd
Sawl gawith maen digwydd yn cymhary a nifer o dreialon

Question 2

Hafaliad amlder cymharol

Answer 2

Amlder/nifer o dreilaon

Question 3

Digwyddiad annibynnol

Answer 3

1/cyf x 2/cyf

Question 4

Digwyddiad dibynnol

Answer 4

1/cyf x 2/cyf effeithiol gan 1

Question 5

Digwyd cydanghyysol

Answer 5

1/cyf + 2/cyf

Question 6

Nodiabt ffwythiant

Answer 6

Mewn bynnu rhuf ar x
F(x) = 3x +4
F2 = 6 +4
= 10

Mae f o 2 yn 10

Question 7

Y= f(x) +a

Answer 7

Symyd i lan

Question 8

y= f(x+a)

Answer 8

Symud ir chwith

Question 9

y= af(x)

Answer 9

1>a ymestyn
1<a cyfangu

Question 10

Y= -f(x)

Answer 10

Adlewyrch dros x

Question 11

Y= f(-x)

Answer 11

Adlewyrchu adrwas y

Question 12

If yiur stuck with algebra

Answer 12

Consider ffactprio

Question 13

Camau algebra ffravtiynol

Answer 13

Times both gwaelofs with eachother
/x-3 - /x-5 bceomes /(x-3)(x-5) on both leave as is
Times cris cross for the top
2x + 3/ becomes (2x+3)(x-5)/
Camo those babys also the middle jusy merges here ig

Question 14

Ff with an x plus ffraviwn with an x makes ff with an x

Answer 14

Add up all rhe bottoms
Put the cyfanswm on thr outside of the bractets of every farcsiwn from the question

You can ehangu that
12(2x -1/ 3) become
12/3=4
4(2x-1)

Ehangy fhat allan
8x-4
And nkw yiu can easy x in testun

Question 15

Two ffracs = eachother but the x is only on the gwaelod

Answer 15

Lluosi with one of the gwaelod so that it undoes the ffraciwn on that side
6/x - 4. = 5/x-3
Times x - 3

6(x-3)/x-4 = 5

Undo the ffracion on the comecated side by handing the bottom to thr simple onr

6(x-3) = 5(x-4)
Ehangu and symleddio