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The equation of the line L1 is y=3x–2. The equation of the line L2 is 3y–9x+5=0. Show that these two lines are parallel.

We should recall that two lines are parallel when they have the same gradient. We can see the gradient of a line by writing it in the form y=mx+c, which will make the gradient equal to the coefficient of ...

Answered by Dylan G. • Maths tutor

24232 Views

How do I form a negative construction in French?

In French, a negative is formed with the words "ne" and "pas". These are placed either side of the main verb of the sentence, 'sandwiching' it. For example the sentence "Je sais&q...

Answered by Owen E. • French tutor

2240 Views

Solve the equations x^2+y^2=13 and x-2y=1 simultaneously.

Rearranging the second equation gives x=2y+1. Substituting this into equation 1 gives (2y+1)²+y²=13.Rearrangingthis and factorising the quadratic equation gives (5y-6)(y+2)=0, giving...

Answered by Phoebe S. • Maths tutor

8627 Views

Explore how Beckett uses repetition in 'Waiting for Godot'.

Beckett uses repetition in speech, stage actions, and the overall structure of the play, to demonstrate the futility and circularity of existence. Many of the characters repeat their language; Acts 1 and ...

Answered by Katie H. • English tutor

29676 Views

There are three halogenoalkanes with halogens F, Br and I. Each undergo an SN2 reaction. How does the rate of reaction differ between the three halogenoalkanes?

The Iodoalkane will have the fastest rate of reaction. The Bromoalkane will have the second fastest, while the Floroalkane will have the slowest. This is because the atomic radius increases from Florine t...

Answered by Rosalie G. • Chemistry tutor

2681 Views