Question # 1

The nature of the roots of equation ax²+bx+c=0, is determined by:

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Sum of the roots

Product of the roots

Synthetic division

Discriminant

The length of the diameter of a circle is how many times the radius of the circle:

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1

2

3

Standard deviation is denoted by

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x

S

S²

X²

Harmonic mean for 1,2,5,8,4 is....................

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6.08

5.08

7.08

4.08

The value of i is equal to:

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In a unit circle, cosθ = ___________

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y

x

y/x

None of these

In which quadrate all trigonometric ration are positive?

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I

II

III

IV

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u = wk²

u = vk²

u = w²k

u = v²k

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214

256

273

296

x-coordinate of every pint on x-axis is.

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+ve

-ve

zero

1

Point (-1, 4) lies in the quadrant:

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I

II

III

IV

Secθ Cotθ = _______

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Sinθ

1/ Sinθ

1/Cosθ

Sinθ / Cosθ

A histogram is a set of adjacent.........

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Squares

Rectangles

Circles

Dots

If A⊆ B the A⋂ B = ______

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A

B

∅

A⋃ B

If set A has all its elements common with set B then set A is called...............set.

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Sub

Overlapping

Disjoint

Super

In equation 5^1+x+5^1-x = 26, we put:

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5^2x=y

5^1+x=y

5^1-x=y

5^x=y

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