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Draw the graph y=4x+2

From the format of the equation, we know this graph is a straight line because it follows the form, y=mx+c. The coefficent of x (the number before x) describes the gradient of the straight line or m. This me...
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Answered by Della S. • Maths tutor
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Draw y=x^2+5

Draw y=x^2+5. Draw the axes. Y to the sky (Y axis is vertical) and X across (X axis is horizontal). Then breakdown the equation. Firstly what power is the x to? x^2 means that the graph will have a U shape. ...
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Answered by Dona S. • Maths tutor
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What are the differences in structures of diamond and graphite? And how do they relate to their chemical properties and uses?

Although both are... 1. Alltotropes of carbon, i.e. both are composed of carbon. 2. Giant covalent structures . Which are composed of non-metal aroms, held adjacently by covalent bonds. These atoms are arran...
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Answered by Sundas D. • Chemistry tutor
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State the trends in reactivity of the group 1 and group 7 elements and explain the reasons why.

Elements react by gaining or losing electrons. Elements wants to reach the stable state of having 8 electrons in the outermost ring, so group 1 elements react by losing an electron, since they have only 1 el...
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Answered by Lorne F. • Chemistry tutor
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Represent x = 0.0154 recurring as a fraction.

To represent x = 0.0154 recurring as a fraction you need to eliminate the recurring element. You do this by finding the nearest multiple of x with the same recurring decimal element. For example, multiplying...
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Answered by Lorne F. • Maths tutor
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