Question # 1

The graph of a quadratic function is

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Circle

Ellipse

Parabola

Hexagon

Sum of integers starting from to n is

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n(n+1)/4

n(n+1)/6

n(n+1)/2

n(n-1)/2

Sin x + Cos x=1 x=

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π

π/2

π/3

π/4

The multiplicative inverse of -1 in the set {1-,1} is

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40

30

50

20

The value of Cos (1/2 Cos^-1 1/2) is equal to

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√3/2

-3/4

1/16

1/4

How many elements are in the sample space of two rolling dies

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6

12

18

36

Period of Sin 2x =

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π

4π

2nπ

2π

The sum of the interior angles for a 16 sided polygon is

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0

ω

1

1 / ω

Cos^-1 (-x) =_______.

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π +cos^-1 x

π -sin^-1 x

π +sin^-1 x

π -cos^-1 x

The range of inequality x + 2 > 4 is

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(-1,2)

(-2,2)

(1,∞)

None

Sin-1 (√2/2)=?

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π/2

π/3

3π/4

2π

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