Stay Tuned for a summary of Dot and cross product which will help you assimilate quick

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1 votes, 4 avg

167

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Created on August 18, 2021

MTS 104

NOTE:

KINDLY STUDY TO UNDERSTAND

THE QUIZ ARE MEANT FOR REVISION PURPOSE ONLY!

1 / 10

1. If a, b, and c are three non zero vectors, such that a * b = a * c and a .b = a .c ; then

a) a is parallel to the vector (a – b)

b) b = c

c) a is perpendicular to the vector (a – b)

d) I wasn’t taught

2 / 10

2. Classify the conic section

a) Eclipse

b) Parabola

c) Ellipse

d) Hyperbola

3 / 10

3. Classify the conic section the conic section:

a) Eclipse

b) Parabola

c) Hyperbola

d) Ellipse

4 / 10

4. Calculate the centre:

a) (-2,-4)

b) (2,-4)

c) (2,4)

d) (-2,4)

5 / 10

5. Find the equation of the circle that is tangent to the line x = 8 that has a center at (-5, 10).

a) (X+5)^2 + (Y-10)^2 = 169

b) (X+5)^2 + (Y+10)^2 = 169

c) (X-5)^2 + (Y-10)^2 = 169

d) (X-5)^2 + (Y+10)^2 = 169

6 / 10

6. Calculate the focus:

a) (2, -51/8)

b) (2, -41/8)

c) (2,-31/8)

d) (2,-21/8)

7 / 10

7. Calculate the vector product of a and b given that
a= 2i + j + k and b = i – j – k

a) 3j + k

b) j + k

c) -3j + 3k

d) 3j + 3k

8 / 10

8. If the vector U is parallel to the vector V then

U * V = 0

a) True

b) False

c) None of the above

d) I don’t have an idea

If the vectors are parallel then the angle between them is zero or which further implies that |U *V| = 0

10 / 10

10. If U.V=0, then either U = 0 or V = 0

a) True

b) False

c) None of these

d) I wasn’t taught

dot product can also be zero when the vectors are perpendicular.

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[PDF] Summary Of Dot and Cross Product