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OpenStudy (anonymous):
Let u = <-7, -2>. Find 8u. a. <56, 16> b. <-56, 16> c. <-56, -16> d. <56, -16>
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OpenStudy (anonymous):
I know b. is wrong.
OpenStudy (anonymous):
I believe it's c. Is that correct?
OpenStudy (lyrae):
Yes, c. is correct. 8 * <-7, -2> = <8*(-7), 8*(-2)> = <-56, -16>
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