Q1.  f(X,y,z)=xyz  at points(2,2,2).     Answer:8

Q2.Distanc: between points (1,0) and (0,1)     answer :sqr2

Q3. y=ax^2+bx+c is the equation of parabola where

1. a>0 correct: answer a>0

2. a<0

3. b<0

4.b>0

5. To dettermine the cordinates in room how many coordinates are reuired.

1. 2

2. 3 :I select 3 coordinates

3. 4

4.5

6. Z=3 is ----------to xy plane

1. perpendicular.

2. parallel.

7.Question from x and y axis coordinate system point (2,-4) answer 4th coordinte

8.I forgot. sorry

 

 

 

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thanks brother

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