Question

PLEASE ANSWER__For real and distinct roots, Δ

Answer 1

Answer:

It use it to 'discriminate' between the roots (or solutions) of a quadratic equation. If the discriminant is greater than zero, this means that the quadratic equation has two real, distinct (different) roots. ... If the discriminant is equal to zero, this means that the quadratic equation has two real, identical roots.

Answer 2

Step-by-step explanation:

Let length (l)=

2x

x+1

=

2(x)

3

Let breadth (b)=x

Area of floor =

3850

924×100

l×b=24

2

3x

×x=24⇒x

2

=

3

24×2

2

3

x

2

=24 x=4

Area of walls =1320×

550

100

2(l+b)h=240

100×h=

2

240

h=12 m

l=

2

3

×4=6 cm

b=x=4 cm