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what do the numbers in a circle equation mean

(x+a)^2+(y+b)^2=c a is the a negative of the x coordinate of the centre b is the negative y coordinate. c is the seared radius.
AM
Answered by Andrew M. • Maths tutor
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where do the graphs y=3x^2-2x-5 and y=4x-2 intersect

3x^2+2x-5=4x-2 3x-2x-3=0 3(x^2-2/3x-1/3)=0 3((x-2/6)^2-4/36-1/3)=0 3(x-2/6)^2-1/3-1=0 x=2/6(+-)(4/9)^-2
AM
Answered by Andrew M. • Maths tutor
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What are the consequences of smoking?

Smoking have bad long term and short term effects on a person's health due to the harmful substances in cigarettes. Firstly, it can causes emphysema. This is when the alveoli's bubbly-like shape is reduced, ...
NL
Answered by Nicole L. • Biology tutor
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What is ionic bonding and what are the characteristics of this type of bonding?

The definition of ionic bonding is the electrostatic attraction between oppositely charged particles. This occurs between a non-metal and a metal where the electron transfer goes from a metal to a non-metal....
NL
Answered by Nicole L. • Chemistry tutor
3624 Views

Examine how physical processes work together in the formation of a spit.

The prevailing wind determines the wave direction and washes sediment up the beach at an angle to the coast. The swash pushes sediment up the beach and the backwash causes material to move back down the beac...
JW
Answered by Jasmine W. • Geography tutor
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