Question # 1

In quadratic equation y=ax³+bx+c, if b and c are both zero then the graph is

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Symmetric w.r.t.y-axis

Symmetric w.r.t.x-axis

Straight Line

Circle

The term involving x⁴ in the expansion (3-2x) is

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217x⁴

15120x⁴

313x⁴

-25x⁴

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There are ______ basic techniques for solving a quadratic equation

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Two

Three

Four

None of these

(n + 2) (n + 1) n= ______

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If f(x) = -x³then f(-2) is

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-2

-4

-8

8

What is the conjugate of -6 -i

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-6 +i

6 + i

-6 -i

6 -i

In the interval 0≤ x ≤ π, the sine is

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Not a function

Not defined

Infinity

Not one-to-one function

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0

-2

1

4

The 8th term of (1+2x) ^-1/2is

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-221/16 x⁷

-225/18 x⁷

-407/9 x³

-429/16 x⁷

The value of the expression 3 cosθ+ 4 sinθθlie between

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-7 and 7

-25 and 25

-1 and 1

-5 and 5

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