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# Simultaneous Equations and Graphs

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## Mr Mattock

on 20 May 2017

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#### Transcript of Simultaneous Equations and Graphs

Simultaneous Equations and Graphs
Starter
Show that these two lines are not parallel.
Activity
Complete the worksheet
Simultaneous Equations and Graphs
(a) y = 3x - 2 (b) 2y - x = 6
If they are not parallel, where do they meet?
L.O. - Use graphs to solve for the intersection of two equations.
Starter
Show that these two lines are not parallel.
(a) y = 3x - 2 (b) 2y - x = 6

y = x + 3
If they are not parallel, where do they meet?
1
2
At the coordinate (2, 4)
Solving Simultaneous equations
(a) y = 3x - 2

(b) y = x + 3
Solving Simultaneous equations
(a) y = 3x - 2

(b) y = x + 3
x = 2
y = 4
y = 4x - 2

2y + 8x = 6
Simultaneous Equations and Graphs
y = 4x - 2

2y + 8x = 6
Approximately
x = 0.75
y = 0.5
Activity
Key
Examples

Activities
Activity

Worked
Example
Worked
Example
First side -
x = 3, y = 4;
x = 4, y = 6;
x = 3, y = 6;
x = 2, y = 8;
x = 2, y = 7;
x = 5, y = 7.
1
2
1
2
Full transcript