Find the dot product v ? w.v = i + j and w = i + j - k
A. 3
B. 1
C. 2
D. -2
Answer: C
You might also like to view...
Solve the problem.Find an equation of the circle that passes through the points (4, 6), (-6, 2), and (1, -3).
A. 
2 + 
2 = 
B. 
2 + 
2 = 
C. 
2 + 
2 = 
D. 
2 + 
2 = 
Solve the problem.The logistic growth function f(t) = 
describes the population of a species of butterflies 
after they are introduced to a non-threatening habitat. How many butterflies are expected in the habitat after 15 months?
A. 356 butterflies B. 601 butterflies C. 1200 butterflies D. 9000 butterflies
Solve the problem.When an object is dropped to the ground from a height of h meters, the time it takes for the object to reach the ground is given by the equation t = 
, where t is measured in seconds. If an object hits the ground after falling for 5 seconds, find the height from which the object was dropped.
A. 24.5 m B. 245 m C. 122.5 m D. 1225 m
Plot the ordered pair in the coordinate plane. In which quadrant or on which axis does the point lie?
A. Quadrant II
B. Quadrant IV
C. Quadrant IV
D. Quadrant II