Graphing the equation of a straight line

When looking at a graph for a linear equation, you should see

• a straight line

• an up or down pattern

• a zig zag

Which graph represents  $y=\frac{1}{2}x+2$  

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• up 2 right 5

• up 2 right 1

Which graph best represents the equation y = -3x + 4?

Hint: Identify the slope and y-intercept!

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Which graph shows a line with a y-intercept of (0, -6)

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Choose the graph to match the following equation:

 $y\ =\ 2x\ +\ 6$  

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Where would you start graphing y = 5x + 3 on the y-axis?

• the center (0, 0)

• up at 3

The graph of which of the following equations passes through the origin?

• (i) y = 2x + c

• (ii) y = 2x – c

• (iii) y = 2x