IGCSE Mathematics Paper-2: Specimen Questions with Answers 9 - 15 of 15

Question 9

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Short Answer▾

if is continuous for all values of x, then the value of k is-

Explanation

  • is continuous at x = 3

Question 10

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Short Answer▾

. Substituting these values into the quadratic formula.

Explanation

That is,

Or

Or

Or

Question 11

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Short Answer▾

make x the subject of the formula

Explanation

(Both side added 9)

Question 12

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Short Answer▾

Find the distance between the parallel lines

Explanation

Here

Therefore,

The required distance is

Question 13

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Short Answer▾

Solve the inequality

Explanation

Both side subtract

Both sides dividing

The solution to your inequality is:

Question 14

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Short Answer▾

and , what is ?

Explanation

Let

Given that then

But

So,

is exactly the same process as

Answer: x

Question 15

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Short Answer▾

Work out the value of

Explanation

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