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What is the graph linear equation for y=2*+1

I tried to it on my own and my friends also tried to help me

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Now is the equation supposed to be y=2x+1? If so,
What is the graph linear equation for y=2*+1 - graph-linear-equation-y-2-1-cds52kcxe0my5labvj2rkild-2-0.gif
The graph of y = 2x+1 is a straight line
When x increases, y increases twice as fast, hence 2x
When x is 0, y is already 1. Hence +1 is also needed
So: y = 2x + 1
Here are some example values:
xy = 2x + 1
-1y = 2 × (-1) + 1 = -1
0y = 2 × 0 + 1 = 1
1y = 2 × 1 + 1 = 3
2y = 2 × 2 + 1 = 5
Check for yourself that those points are part of the line above!

Posted on Jan 16, 2015

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2_26_2012_7_15_54_am.jpg

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