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1. 3x – 5y = 15 2. -2x – 4y = -6.  How do I graph a line once in Slope- Intercept Form?

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Presentation on theme: "1. 3x – 5y = 15 2. -2x – 4y = -6.  How do I graph a line once in Slope- Intercept Form?"— Presentation transcript:

1 1. 3x – 5y = 15 2. -2x – 4y = -6

2

3  How do I graph a line once in Slope- Intercept Form?

4  What are the 2 pieces you need? y = mx + b slopey-intercept

5 1. Solve for slope-intercept form: y = mx + b. 3. Use the slope (m) to find the next points.  Positive Slope = UP to the right  Negative Slope = DOWN to the right 4. Use the points to draw a line! 2. Graph the y-intercept (b)

6 y = 2x + 3 y-intercept (b) = slope (m) =...

7 y = -2x - 1 y-intercept (b) = slope (m) =....

8 y-intercept (b) = slope (m) =...

9  Finish the FRONT!

10 2x + y = 1 -2x = -2x y = -2x + 1 m = -2 b = 1....

11 4x + 2y = - 6 -4x = - 4x 2y = - 4x - 6 2 = 2 2 y = -2x - 3 m = -2, b = -3.... ___ ___ __

12  Practice graphing equations  A copy of the homework AND the answers are on my teacher webpage  Check your answers tonight and make sure you are correct to ensure you get a good grade if your number is picked tomorrow for homework!

13  Puzzle Worksheet!


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