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Chapter 9 Solutions
Precalculus (10th Edition)
- Determine whether each vector is a scalar multiple of z=(3,2,5). a v=(92,3,152) b w=(9,6,15)arrow_forwardTake this test to review the material in Chapters 4and Chapters 5. After you are finished, check your work against the answers in the back of the book. Write w=(7,2,4) as a linear combination of the vectors v1, v2 and v3 if possible. v1=(2,1,0), v2=(1,1,0), v3=(0,0,6)arrow_forwardWhich pair of vectors are perpendicular? a. 3i+4j and 8i6j b. 3i+2j and 2i+3j c. i+5j and i5j d. 2i5j and 7i3jarrow_forward
- 2. If , and the vector is drawn with its tail at the point, find the coordinates of the point at the head of .arrow_forwardIf u = (-7,-4) and v = (-16, 28) with an angle between the vectors, are u and v parallel or orthogonal? Explain.arrow_forwardFind two vectors v, and u2 whose sum is (-2,-5), where is parallel to (-3, 4) while v2 is perpendicular to (3, 4).arrow_forward
- Use the vectors u= (3, 6), v=(-6, 5) to find the indicated quantity. State whether the result is a vector or a scalar. (u-v)v O a. (-72, 58); vector O b. 60; scalar Oc-72; scalar O d. (-72, 60; vector O e. (-72, 64); vectorarrow_forwardQ2. Given the vectors : A = (3.-1, 2), B = (0, 1, 1) and C- (2, 2,-1), find: the angles between the vectors A x B and C, and between A x C and B?.arrow_forwardI need the answer as soon as possiblearrow_forward
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