Straight Line Graphs Revision session: How to draw a line Using y = mx + c Parallel lines.

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Presentation transcript:

Straight Line Graphs Revision session: How to draw a line Using y = mx + c Parallel lines

Match the equations to the graphs 4) 3) 2) 1) D) C) B) A)

Gradient is the steepness of a line

y = m x + c y = -2 x + 5 y-intercept gradient

Drawing lines Draw the line: y = 3x – 2 If you finish quickly: y = 3x + 6How? Make a table of values OR Mark the intercept, then move along 1 and up m to find more points

GCSE Exam Question – Straight Line Graphs Remember: Parallel lines have the same gradient y = ½x + ? y = ?x + 1

White Sheet Yellow Sheet Red Sheet Choose which questions to work on based on where you think you are. Using a table of values & matching equations to graphs. Dealing with parallel lines. Dealing with perpendicular lines.

Straight Line Graphs Checklist Take a copy away with you and fill it in as you progress