Co-ordinate: a set of values that show an exact position on a graph (x , y) 

Gradient: How steep a line is

Y-intercept: The point where a line or curve crosses the y-axis of a graph

Parallel lines: Two lines that never meet. They are always the same distance apart with the same gradient

Perpendicular lines: Two lines that meet at a right angle

Reciprocal: A pair of numbers that multiply together to give 1. The reciprocal of a number is: 1 divided by the number.

Coefficient: A number used to multiply a variable.

Asymptote: A straight line that a graph will never meet

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Command words:   

Draw the line: a pencil and a ruler should be used in drawing the line. 

Plot: It is the same meaning as drawing the line. 

Work out the equation of the line: Find the key information about the line (gradient and y-intercept) and write it in the format that the question requires. e.g. y = mx + c

Write the coordinates: make sure your answer has a bracket and a comma ( ___ , ___ )