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The circle c has equation x^2+ y^2 = 1. The line l has gradient 3 and intercepts the y axis at the point (0, 1). c and l intersect at two points. Find the co-ordinates of these points.

x^2 + y^2 =1 y = 3x + 1 x^2 + (3x + 1)^2 = 1 x^2 + 9x^2 + 6x+ 1 = 1 10x^2 + 6x = 0 x(10x+6) = 0 x= 0 or x = -6/10 = -3/5 When x = 0, y = 1 When x = -3/5, y = -4/5

Answered by Prince J. • Maths tutor

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Translate into English the section of the passage indicated between the asterisks.

Ast ego, quae divom incedo regina, Iovisque et soror et coniunx, una cum gente tot annos bella gero! Et quisquam numen Iunonis adoret praeterea, aut supplex aris imponet honorem? 'But I, she who ...

Answered by Yanmin Z. • Latin tutor

3136 Views

How do I structure an exam question asking me to assess the view that utilitarianism can be used to justify immoral acts?

A good Philosophy essay requires structure and argument. When writing philosophy essays I follow a structure of: Point; Argument; Example; Counter Argument; Response to Counter Argument. I would aim to ma...

Answered by Edward A. • Philosophy and Ethics tutor

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How do you use SOH CAH TOA?

If you have a right angled triangle, it is made up of a hypotenuse, adjacent and opposite. In SOH CAH TOA, the middle letter goes up, so when we use the equation, it will be sin=opposite/hypotenuse, etc. ...

Answered by Katherine R. • Maths tutor

4648 Views

What is the difference between a high level language and a low level language?

A high level language is written in human-oriented English-like keywords. It allows the programmer to use meaningful variable names, predefined functions and libraries and data structures (e.g. arrays/lis...

Answered by Aaron C. • Computing tutor

7100 Views