11.07.2015 Views

Leabhar Iomlán - Cogg

Leabhar Iomlán - Cogg

Leabhar Iomlán - Cogg

SHOW MORE
SHOW LESS
  • No tags were found...

You also want an ePaper? Increase the reach of your titles

YUMPU automatically turns print PDFs into web optimized ePapers that Google loves.

5. Trí ionadú oiriúnach a aimsiú, réitigh gach ceann díobh seo:(a) (i) x 4 7x 2 10 0, x R (ii) (x1) 2 3(x 1) 2 0(iii) x 4 2x 2 2 0 (iv) 2(k 2) 2 3(k 2) 4 0(b) (i) (2y 1) 2 3(2y 1) 28 0 (ii) (2y 3) 2 1 0(c) (y __y) 4 2 9 ( y __y) 4 20 0(d) (2t 5 __t) 2 12 (2t 5 __t) 27 06. Réitigh 2x 2 √ __3 x 3 0.7. Agus tú ag úsáid na ngraf, faigh gar-réitigh ar gach ceann de na cothromóidí seo a leanas.(a) x 2 3x 5 0 (b) x 2 x 1 2 (c) p(x) 0 (d) g(x) 0(e) x 2 x 1 0 (f) g(x) f (x) (g) h(x) 5 (h) p(x) h(x)y21f(x) x 2 3x 5O5 4 3 2 111 2 3x234567g(x) x 2 x 1p(x) 0.4x 2 4x 2y87654321h(x) x 2 3x 3O1098765432111 2 3 4x508. Agus tú ag úsáid na ngraf thuas, mínigh cén fáth nach bhfuil réiteach réadach ar bith arx 2 3x 3 0.

Hooray! Your file is uploaded and ready to be published.

Saved successfully!

Ooh no, something went wrong!