Write the vecor OI--> as a sum of scalar multiples of u and v.

(I got 2v-3u, but that's wrong)

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- September 30th 2012, 10:37 AMjessicadowningSum of scalar multiples?
Write the vecor OI--> as a sum of scalar multiples of u and v.

(I got 2v-3u, but that's wrong) - September 30th 2012, 12:20 PMrichard1234Re: Sum of scalar multiples?
Hint: Pay attention to signs!

- September 30th 2012, 02:16 PMDevenoRe: Sum of scalar multiples?
the "v-component" of 2v - 3u is pointing in the wrong direction: 2v points "northwest" but the v-component of OI should be pointing "southeast" (I is "below the u-axis" formed by OD).