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MTH301 Online Quiz No 01 Spring 2013

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### Replies to This Discussion

After attend Quiz...we will able to say something....! for now..1st Quiz will be held from Lec 01 to Lec 03.

& 2nd from Lec 04 to Lec 06 Please Share your online Quizzes here to help each other.thanks

My Quiz  01           Mth301_ fall 2013

1. Face of the parabola (y = ax^2+bx+c ) is opening upward when

• a > 0
• a < 0
• b > 0
• b < 0

1. Value of the function f(x, y, z) = x^2+ y^2 + z^2 at the point (0,1, 0) is
• 1
• 0
• 2
• 3

1. For the line joining two points P(1, 1, 1) and Q(2, 2, 2) direction cosines are…..(distance between the points are sqrt(3))

1. (1/sqrt(3), 1/sqrt(3), 1/sqrt(3) )
2. (2/sqrt(3), 2/sqrt(3), 2/sqrt(3) )
3. (3/sqrt(3), 3/sqrt(3), 3/sqrt(3) )
4. (-sqrt(3), -sqrt(3), -sqrt(3) )

1. x-coordinate of vertex of parabola y = 3x^2+6x+8 is
• 1
• -1
• 3
• 6

1. The number “Square root 3” is
• Rational
• Irrational

1. The determine a point in a plane (in 2 dimension) how many axis are required
• 1
• 2
• 3
• None

1. To determine a point on real line how many axis are required (i.e. in 1 dimension)
• 1
• 2
• 3
• None

1. XY – Plane consist of all points where

• xy = 0
• xy = 1
• z = 1
• z = 0  Malika Eman gud keep it up & thanks for sharing Welcome Sir.  If there are two points on P( 1, 0) and Q (0, 1) on the plane then the distance between them is
1, 0, 2, Sqr 2
A plane z = 3 is ........ to xy-plane
paralell
perpandicular
the number "pi" is
rational irrational
For the following function to be one-to-one, x can not be what values? f(x) = {(2, 4), (3, 8), (4, 11), (5, x)}
13,(4,8,11) (2, 3, 4)(2, 3, 4 ,5)
In rectangular coordinate system the point (-3, 2) is in
2nd
squarroot of 2 is
rational irrational
XY-Plane consist of all points where
z=0
To determine a point on a real line how many axis are required (i.e. in 1 dimension)
2
value of the function f(x, y, z) = xz/y at the point ( y, y^3, y^3) is
y

1:If there are two points on P( 1, 0) and Q (0, 1) on the plane then the distance between them is
a 1,
b 0,
c 2,
d Sqrt2

2:A plane z = 3 is ........ to xy-plane.
a parallel,
b perpendicular

3:the number "pi" is
a rational,
b irrational

4:For the following function to be one-to-one, x can not be what values? f(x) = {(2, 4), (3, 8), (4, 11), (5, x)}
a 13,
b (4,8,11)
c (2, 3, 4)
d(2, 3, 4 ,5)

5:In rectangular coordinate system the point (-3, 2) is in
a istquadrant
b 2nd quadrant,
c 3rd quadrant,
d 4th quadrant

6:squarroot of 2 is
a rational
b irrational

7:XY-Plane consist of all points where
a z=0
b x=0
c y=o
d y=1

8:To determine a point on a real line how many axis are required (i.e. in 1 dimension)
a 1
b 2
c 3
d none

9: 1:In rectangular coordinate system the point (3, -4) is located in
a istquadrant
b 2nd quadrant,
c 3rd quadrant,
d 4th quadrant

10:If there are two points P(m, n) and q( a, b) on a plane then the distance between them is calculated by

a (m-n, a-b)
b sqrt[(m-n, a-b)]
c sqrt[(a-m)^2 + (b - n)^2]
d (a-m)^2 + (b - n)^2

11:In rectangular coordinate system the point (-2,-2) is in
a istquadrant
b 2nd quadrant,
c 3rd quadrant,
d 4th quadrant

12:value of the function f(x, y, z) = xz/y at the point ( y, y^3, y^3) is
a y
b y^3
c none
d a&b

13:YZ- Plane consists of all points where
a z=0
b x=0
c y=o
d y=1

14:The plane y = 2 is ...... to xz plane
a parallel,
b perpendicular

15:We need direction cosines to determine the position of a line in space.

a:true
b:false

16:In rectangular coordinate system the point (-3, 2) is in
a istquadrant
b 2nd quadrant,
c 3rd quadrant,
d 4th quadrant

17:Value of the function f(x, y, z ) = xy + z at the point ( 1, 1, 1) is

a 2
b 3
c 1
d 4

To determine a point on a real line how many axis are required( i.e. in 1 dimension)

1. 1
2. 2
3. 3
4. None

In rectangular coordinate system the point (3, -4) is located in

1. First quadrants
1. Second quadrant
1. Third quadrant
1. Fourth quadrant

Value of the function f(x, y, z) = xyz at point (2, 2, 2) is

1. 2
1. 6
1. 8
2. 16

Value of the function f(x, y, z) = xz/y at the point (y, y^3, y^3) is

1. y^3
2. 1
3. Y
1. Xz/y

Value of the function f(x, y, z) = xy  + z at the point (1, 1, 1) is

1. 2
2. 3
3. 1
1. 4

YZ- Plane consists of all points where

1. Yz=0
2. Yz= 1
3. X = 0
4. Z = 0

We need direction cosines to dettermine the position of a line in space.

1. True
2. False

Value of the function f(x,y) = x^2.y at the point (x^3, x^2) is

1. x^3x^2
2. x^5
3. x^2x^2
4. x^8