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Each of Two Vectors, and , Lies Along

Question 71

Multiple Choice

Each of two vectors, Each of two vectors, and , lies along a coordinate axis in the xy plane. Each vector has its tail at the origin, and the dot product of the two vectors is . Which possibility is correct? A) and both lie along the positive x axis. B) lies along the positive x axis. lies along the negative x axis. C) and both lie along the positive y axis. D) lies along the negative x axis. lies along the negative y axis. E) lies along the positive y axis. lies along the negative y axis. and Each of two vectors, and , lies along a coordinate axis in the xy plane. Each vector has its tail at the origin, and the dot product of the two vectors is . Which possibility is correct? A) and both lie along the positive x axis. B) lies along the positive x axis. lies along the negative x axis. C) and both lie along the positive y axis. D) lies along the negative x axis. lies along the negative y axis. E) lies along the positive y axis. lies along the negative y axis. , lies along a coordinate axis in the xy plane. Each vector has its tail at the origin, and the dot product of the two vectors is Each of two vectors, and , lies along a coordinate axis in the xy plane. Each vector has its tail at the origin, and the dot product of the two vectors is . Which possibility is correct? A) and both lie along the positive x axis. B) lies along the positive x axis. lies along the negative x axis. C) and both lie along the positive y axis. D) lies along the negative x axis. lies along the negative y axis. E) lies along the positive y axis. lies along the negative y axis. . Which possibility is correct?


A)
Each of two vectors, and , lies along a coordinate axis in the xy plane. Each vector has its tail at the origin, and the dot product of the two vectors is . Which possibility is correct? A) and both lie along the positive x axis. B) lies along the positive x axis. lies along the negative x axis. C) and both lie along the positive y axis. D) lies along the negative x axis. lies along the negative y axis. E) lies along the positive y axis. lies along the negative y axis. and
Each of two vectors, and , lies along a coordinate axis in the xy plane. Each vector has its tail at the origin, and the dot product of the two vectors is . Which possibility is correct? A) and both lie along the positive x axis. B) lies along the positive x axis. lies along the negative x axis. C) and both lie along the positive y axis. D) lies along the negative x axis. lies along the negative y axis. E) lies along the positive y axis. lies along the negative y axis. both lie along the positive x axis.
B)
Each of two vectors, and , lies along a coordinate axis in the xy plane. Each vector has its tail at the origin, and the dot product of the two vectors is . Which possibility is correct? A) and both lie along the positive x axis. B) lies along the positive x axis. lies along the negative x axis. C) and both lie along the positive y axis. D) lies along the negative x axis. lies along the negative y axis. E) lies along the positive y axis. lies along the negative y axis. lies along the positive x axis.
Each of two vectors, and , lies along a coordinate axis in the xy plane. Each vector has its tail at the origin, and the dot product of the two vectors is . Which possibility is correct? A) and both lie along the positive x axis. B) lies along the positive x axis. lies along the negative x axis. C) and both lie along the positive y axis. D) lies along the negative x axis. lies along the negative y axis. E) lies along the positive y axis. lies along the negative y axis. lies along the negative x axis.
C)
Each of two vectors, and , lies along a coordinate axis in the xy plane. Each vector has its tail at the origin, and the dot product of the two vectors is . Which possibility is correct? A) and both lie along the positive x axis. B) lies along the positive x axis. lies along the negative x axis. C) and both lie along the positive y axis. D) lies along the negative x axis. lies along the negative y axis. E) lies along the positive y axis. lies along the negative y axis. and
Each of two vectors, and , lies along a coordinate axis in the xy plane. Each vector has its tail at the origin, and the dot product of the two vectors is . Which possibility is correct? A) and both lie along the positive x axis. B) lies along the positive x axis. lies along the negative x axis. C) and both lie along the positive y axis. D) lies along the negative x axis. lies along the negative y axis. E) lies along the positive y axis. lies along the negative y axis. both lie along the positive y axis.
D)
Each of two vectors, and , lies along a coordinate axis in the xy plane. Each vector has its tail at the origin, and the dot product of the two vectors is . Which possibility is correct? A) and both lie along the positive x axis. B) lies along the positive x axis. lies along the negative x axis. C) and both lie along the positive y axis. D) lies along the negative x axis. lies along the negative y axis. E) lies along the positive y axis. lies along the negative y axis. lies along the negative x axis.
Each of two vectors, and , lies along a coordinate axis in the xy plane. Each vector has its tail at the origin, and the dot product of the two vectors is . Which possibility is correct? A) and both lie along the positive x axis. B) lies along the positive x axis. lies along the negative x axis. C) and both lie along the positive y axis. D) lies along the negative x axis. lies along the negative y axis. E) lies along the positive y axis. lies along the negative y axis. lies along the negative y axis.
E)
Each of two vectors, and , lies along a coordinate axis in the xy plane. Each vector has its tail at the origin, and the dot product of the two vectors is . Which possibility is correct? A) and both lie along the positive x axis. B) lies along the positive x axis. lies along the negative x axis. C) and both lie along the positive y axis. D) lies along the negative x axis. lies along the negative y axis. E) lies along the positive y axis. lies along the negative y axis. lies along the positive y axis.
Each of two vectors, and , lies along a coordinate axis in the xy plane. Each vector has its tail at the origin, and the dot product of the two vectors is . Which possibility is correct? A) and both lie along the positive x axis. B) lies along the positive x axis. lies along the negative x axis. C) and both lie along the positive y axis. D) lies along the negative x axis. lies along the negative y axis. E) lies along the positive y axis. lies along the negative y axis. lies along the negative y axis.

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