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​​​Linear Graphs: Quiz 3 - Answers
​1) y = 3x + 4
Gradient = 3, y intercept = 4
 
2) y = x – 3
Gradient = 1, y intercept = -3
 
3) y = 5x – 2
Gradient = 5, y intercept = -2
 
4) y = -2x + 4
Gradient = -2, y intercept = 4
 
5) y = 1.5x – 5
Gradient = 1.5, y intercept = -5
 
6) y = -x + 2.5
Gradient = -1, y intercept = 2.5

Working
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Questions
Get the equations for the following lines into the form y = mx + c, and state what the gradient and y intercept are.
1) 2y = 6x + 8
 
2) 3y = 3x – 9
 
3) y + 2 = 5x
 
4) 5y + 10x – 20 = 0
 
5) 4y + 6 = 2y + 3x – 4
 
6) 10 – y = 3y + 4​x
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