Amnewid bl.9 (uwch) #3 Quiz

10 questions

Show all answers

1.

FILL IN THE BLANKS QUESTION

3 mins • 1 pt

Beth yw gwerth $3y+5$ pan fo $y=4$

(a)

2.

MATCH QUESTION

10 mins • 1 pt

Beth yw gwerth $7x-9$ pan fo:

19

x = 0

-30

x = 8

47

x = 5

26

x = 4

-9

x = -3

3.

FILL IN THE BLANKS QUESTION

3 mins • 1 pt

Beth yw gwerth $8-2g$ pan fo $g=3$ ?

(a)

4.

FILL IN THE BLANKS QUESTION

3 mins • 1 pt

Beth yw gwerth $8-2g$ pan fo $g=-5$ ?

(a)

5.

FILL IN THE BLANKS QUESTION

3 mins • 1 pt

Beth yw gwerth $3y+5$ pan fo $y=-3$

(a)

6.

MATCH QUESTION

10 mins • 1 pt

Os mae $x=3$ ac $y=8$ , beth yw gwerth:

-25

$23-2xy$

25

$2x-3y$

7

$\left(x+y\right)^2$

-18

$5x-y$

121

$\left(x-y\right)^2$

7.

MATCH QUESTION

10 mins • 1 pt

Os mae $x=4$ ac $y=-3$ , beth yw gwerth:

17

$\left(x-y\right)^2$

1

$23-2xy$

47

$2x-3y$

23

$\left(x+y\right)^2$

49

$5x-y$

8.

FILL IN THE BLANKS QUESTION

3 mins • 1 pt

Beth yw gwerth $3y^2-2y+5$ pan fo $y=4$

(a)

9.

FILL IN THE BLANKS QUESTION

3 mins • 1 pt

Beth yw gwerth $3y^2-2y+5$ pan fo $y=-2$

(a)

10.

FILL IN THE BLANKS QUESTION

5 mins • 1 pt

Beth yw gwerth $2\alpha^3$ pan fo $\alpha=3$

(a)

Answer explanation

Ciwbio gyntaf!
$2\times3^3=2\times27=54$

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Amnewid bl.9 (uwch) #3

Beth yw gwerth 3y+53y+53y+5 pan fo y=4y=4y=4 (a)

Beth yw gwerth 7x−97x-97x−9 pan fo:

Beth yw gwerth 8−2g8-2g8−2g pan fo g=3g=3g=3 ? (a)

Beth yw gwerth 8−2g8-2g8−2g pan fo g=−5g=-5g=−5 ? (a)

Beth yw gwerth 3y+53y+53y+5 pan fo y=−3y=-3y=−3 (a)

Os mae x=3x=3x=3 ac y=8y=8y=8 , beth yw gwerth:

Os mae x=4x=4x=4 ac y=−3y=-3y=−3 , beth yw gwerth:

Beth yw gwerth 3y2−2y+53y^2-2y+53y2−2y+5 pan fo y=4y=4y=4 (a)

Beth yw gwerth 3y2−2y+53y^2-2y+53y2−2y+5 pan fo y=−2y=-2y=−2 (a)

Beth yw gwerth 2α32\alpha^32α3 pan fo α=3\alpha=3α=3 (a)

Ciwbio gyntaf! 2×33=2×27=542\times3^3=2\times27=542×33=2×27=54

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Beth yw gwerth $3y+5$ pan fo $y=4$

(a)

Beth yw gwerth $7x-9$ pan fo:

Beth yw gwerth $8-2g$ pan fo $g=3$ ?

(a)

Beth yw gwerth $8-2g$ pan fo $g=-5$ ?

(a)

Beth yw gwerth $3y+5$ pan fo $y=-3$

(a)

Os mae $x=3$ ac $y=8$ , beth yw gwerth:

Os mae $x=4$ ac $y=-3$ , beth yw gwerth:

Beth yw gwerth $3y^2-2y+5$ pan fo $y=4$

(a)

Beth yw gwerth $3y^2-2y+5$ pan fo $y=-2$

(a)

Beth yw gwerth $2\alpha^3$ pan fo $\alpha=3$

(a)

Ciwbio gyntaf!
$2\times3^3=2\times27=54$