# Linear Functions

### Card Set Information

 Author: anthonyrobb ID: 6560 Filename: Linear Functions Updated: 2010-02-11 04:40:35 Tags: gradient intercept slope equation linear Folders: Description: This set of cards consolidates skills in linear functions such as gradient. Show Answers:

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1. What is the equation of this line?
y = 2x+2
2. What is the equation of this line?
y=3-2x
3. What is the equation of this line?
4. Find the equation of this line in standard and general form.
5. Find the equation of these lines?
6. Find the gradient of the line segment AB.
7. Consider the graph shown of a cyclists distance from home.

Calculate the speed for section A.

Calculate the speed for section E.

Explain the significance of he horizontal sections on the graph.

• 30 km/hr
• 80 km/hr
• Rests - Periods where speed is zero.
8. A line has a gradient of -3 and passes through the point with coordinates
(0, 7). Write down its equation.
y=-3x+7
9. For the equation below find the value of y if x =12.
5
10. 4y-5x=12
11. 8
12. Find the distance between the points A (2, 5) and