SOLUTION: If vector u=(5,-7) and v=(-11,3), 2v-6u= ? and ||2v-6u||≈ ? options for first ? a.<-52,-32> b.<-52,48> c.<76,-32> d.<76,48> options for second ? a. 61.06 b. 70.77 c.

Question 1172233: If vector u=(5,-7) and v=(-11,3), 2v-6u= ? and ||2v-6u||≈ ?
options for first ?
a.<-52,-32>
b.<-52,48>
c.<76,-32>
d.<76,48>
options for second ?
a. 61.06
b. 70.77
c. 76.11
d. 82.46
Answer by greenestamps(13200) (Show Source): You can put this solution on YOUR website!

2v-6u = 2(5,-7)-6(-11,3) = ((2(5)-6(-11)),(2(-7)-6(3))

Do the arithmetic....

||(a,b)|| = sqrt(a^2+b^2)

Use a calculator....

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