MEDIUM
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If the pressure P and volume V of a gas are related by the equation PVγ=constant, where γ is a positive constant. Then the graph of dPdVP versus V will be:

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Important Questions on Functions

MEDIUM
The number of pairs (a, b) of positive real numbers satisfying a4+b4<1 and a2+b2>1 is
 
EASY

Using a dilation of scale factor 4, with centre at the origin, find the coordinates of the image A of the point A(3,-7)?

EASY
The graph of y=f(x) is symmetrical about the line x=1, then
EASY

Using a dilation of scale factor 45, with centre at the origin, find the coordinates of the image C of the point C(20,0)?

MEDIUM
If the function fx=x2+ax+b has exactly three points of non-differentiability, then which of the following may hold:
EASY

Find the scale factor of dilation (with centre at the origin) if point F0,-70 becomes F'0,21? And, Write using correct notation.

HARD
Number of solutions of y=ex and y=sinx is
MEDIUM

Using a dilation of scale factor 5, with centre at the origin, find the coordinates of the image L of the point L(12,-9)?

MEDIUM

Find the scale factor of dilation (with centre at the origin) if point E48,-20 becomes E'12,-5? And, write its notation.

EASY

Using a dilation of scale factor 13, with centre at the origin, find the coordinates of the image B of the point B(-12,27)?

MEDIUM

What is the scale factor of dilation (with center at the origin) if the image of point T(6,-18) is T(2,-6)? (write answer in fraction)

EASY

Find the scale factor of dilation (with centre at the origin) if point D(9,13) becomes D(27,39)

MEDIUM

This is an example of a fractal design. In math, a fractal is an abstract object formed by a never-ending pattern repeated at increasingly small scales.

 Question Image 

Describe the dilations that you see in the fractal design.

EASY

The graph of y=f(x) is symmetrical about the line x=1, then

MEDIUM

Describe the transformation that has occurred to create the image in the diagram below.

Question Image 

EASY

Find the scale factor of dilation (with centre at the origin) if point F0,-70 becomes F'0,21? (write answer in fraction)

MEDIUM

What do you think a negative scale factor indicates? Explain.

MEDIUM

Describe the transformation that has been performed in the diagram and express it using correct arrow notation.  

Question Image

MEDIUM

Find the scale factor of dilation (with centre at the origin) if point D(9,13) becomes D(27,39)? And, write its correct notation.