Question # 1

The slope of y-axis is

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0

undefined

1

If A is any matrix then its additive inverse is

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A

A^-1

A^t

-A

The additive inverse of 1 is

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1

-1

0

Does not exist

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The length of the tangent from (2, 1) to the circle x²+ y²+ 4y + 3 = 0 is

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A is proper subset of B

A is an improper subset of B

A is equivalent to B

B is subset of A

The order of the matrix A is 3 x 5 and that of B is 2 x 3.The order of the matrix BA is

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2 x 3

3 x 2

2 x 5

5 x 2

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The centre of the conic x2 +16x +4y2 -16y +76 =0 is

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(0,10)

(-8,4)

(-8,-2)

(1,1)

2x + 3y > 4 is a linear inequality in

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one variable

two variables

three variables

none of these

For the equation |x²| + |x| -6 =0, the roots are

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One and only one real number

Real with sum one

Real with sum zero

Real with product zero

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