5. Find the number of straight lines and triangles that can be formed out of 20 points of w

8 are collinear.

from

5. Find the number of straight lines and triangles that can be formed out of 20 points of w8 are ...

## Give the names of two energy sources that you would consider to be exhaustible. Give reason for your choices.

Give the names of two energy sources that you would consider to be exhaustible. Give reason for your choices.

## Take a look at the following figure and count the number of triangles. Can you guess ?

Take a look at the following figure and count the number of triangles. Can you guess ?

## 3. Find a quadratic polynomial where e

are 1 and 3. Verify

the relation between the

coefficients and the zeroes of

3. Find a quadratic polynomial where eare 1 and 3. Verifythe relation between thecoefficients and the zeroes of the polynomial

## Close

For all a, b, c e R and if a > b and c < 0 then—-

A) ac > bc

B) ac = bc

C) a <bc

D) b

CloseFor all a, b, c e R and if a > b and c < 0 then—-A) ac > bcB) ...