Graphs of linear functions (AQA GCSE Further Maths): Quizzes

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Graphs of linear functions
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What shape appears when a linear function is plotted on a coordinate plane?

A straight line

Which letter typically represents the gradient in equations?

mm

What is the gradient between points (2,3)(2, 3) and (8,6)(8, 6)?

12\frac{1}{2}

How does a line with a positive gradient slope?

Upward from left to right

How does a line with a negative gradient slope?

Downward from left to right

What type of line has a zero gradient?

Horizontal line

What type of line has an infinite (undefined) gradient?

Vertical line

In the equation y=mx+cy = mx + c, what does cc represent?

Y-intercept

In the equation y=mx+cy = mx + c, what does mm represent?

Gradient

What is the equation form for a vertical line?

x=ax = a

What is the equation form for a horizontal line?

y=by = b

To sketch px+qy+r=0px + qy + r = 0, what should you find?

Both x and y intercepts

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