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#1 2018-02-21 15:53:19

Hannibal lecter
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Registered: 2016-02-11
Posts: 224
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what is the Value of C?

Hi, what is the value of C ? how to find it in the following picture :

2018_02_22_063951.png


Wisdom is a tree which grows in the heart and fruits on the tongue

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#2 2018-02-21 20:04:52

bob bundy
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Registered: 2010-06-20
Posts: 8,354

Re: what is the Value of C?

Hi Hannibal lecter,

As you know two points you can get the equation of the straight line in the form y = mx + d.  Substitute that value of y into y = x squared to get a quadratic in x.  It should be easy to factorise as you know (x-1) is one factor.  The other will give the x coordinate of C.

Bob


Children are not defined by school ...........The Fonz
You cannot teach a man anything;  you can only help him find it within himself..........Galileo Galilei

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