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Sgilean ailseabrachAg atharrachadh cuspair foirmle

'S e foirmle sa bheil co-dhiù aon chaochladair a th' ann an co-aontar. Tha grunn sheòrsachan ann: co-aontar loidhne dhìreach, ailseabrach, co-amail is far am feum cuspair an fhoirmle atharrachadh.

Part of MatamataigAilseabra

Ag atharrachadh cuspair foirmle

Nuair a bhios sinn ag atharrachadh cuspair foirmle, bidh sinn airson am foirmle ath-rèiteachadh gus am bi cuspair diofraichte againn. Gus seo a dhèanamh, cuimhnich:

Atharraich taobh, atharraich obrachadh

Ga chur ann an dòigh eile, ma ghluaiseas tu teirm bho aon taobh dhen t-samhla ‘co-ionann ri' chun an taoibh eile, feumaidh tu an t-obrachadh atharrachadh gus a dhol an aghaidh sin. Mar eisimpleir, ma tha an teirm a tha thu airson a ghluasad a' cur-ris, bidh e a' toirt-air-falbh nuair a ghluaiseas tu e chun an taoibh eile.

Question

'S e an co-aontar coitcheann airson loidhne dhìreach \(y = mx + c\). Ath-rèirich am foirmle seo gus an e \(c\) an cuspair.

Question

'S e am foirmle gus tomhas-lìonaidh priosam obrachadh a-mach \(V = Ah\). Ath-rèitich am foirmle seo gus an e \(h\) an cuspair.

Question

Atharraich cuspair an fhoirmle \(d = 4t -7\) gu \(t\).

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