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The General Form of the equation of a circle is x^2 + y^2 + 2gx +2fy + c = 0. Find the centre of the circle and the radius of the circle in terms of g f and c.

Given a circle in the general form you can complete the square to change it into the standard form.x 2 + 2gx + y 2 +2fy +c = 0 (1). General form of an equation which has the completing the square method appl...
RS
Answered by Rushabh S. • Maths tutor
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Skeletal muscle is one of the main tissues where glucose is removed from the blood in response to insulin. Name one other:

Liver/Hepatic tissue
Answered by • Biology tutor
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Solve the equation: 4x-2=6x+3

4x-2=6x+3 (-4x)-2=2x+3 (-3)-5=2x (/2)-2.5=x
CR
Answered by Charlotte R. • Maths tutor
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Find the lowest common multiple and highest common factor of 30 and 60.

Find 30 and 60 as products of their prime factors using factor trees: 60 = 2 x 2 x 3 x 5, 30 = 2 x 3 x 5. Use a Venn diagram to represent the prime factors of 30 and 60 with the groups 'prime factors of 30' ...
AM
Answered by Anna M. • Maths tutor
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2017 higher, section A, part A, question 1: Look at lines 1–20. By referring to at least two examples, analyse how dialogue is used to reveal the attitudes of the slab boys (Phil and Spanky) to Hector’s situation at this point.

The candidate should note that when the question says 'at least two' this is the bare minimum and that three points are preferable. The candidate would continue to make their answer something similar as to w...
Answered by • English tutor
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