Using Slope to Express Relationships D. Lemon Grade 8 mathematics.

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Presentation transcript:

Using Slope to Express Relationships D. Lemon Grade 8 mathematics

Exploring Slope Use the worksheet provided to take notes and answer the questions posed in the Powerpoint Presentation

Question 1A Plot the following points on the graph: A (-3, -2) B (0, 4) C (2, -1) D (6, 3)

Question 1B What are the coordinates of the following points on the graph: A = B = C = D =

Question 1C Plot the following points on the graph: A (5, -1) B (-3, 0) C (-4, -5) D (0, 4)

Question 1D What are the coordinates of the following points on the graph: A = B = C = D =

Question 2A Complete the table for the equation below: x – 2y = 8 x-204 y

Question 2B Complete the table for the equation below: 3x – y = 15 x-315 y

Question 2C Complete the table for the equation below: 2x + 3y = 6 x-306 y

Question 2D Complete the table for the equation below: 4x – 3y = -18 x-305 y

Round 3… Pencils and Paper ready!!!

Question 3A Find the slope of the line between the two points (-2, 3) and (4, -7)

Question 3B Find the slope of the line between the two points (4, 1) and (-8, 1)

Question 3C Find the slope of the line between the two points (0, 4) and (8, 0)

Question 3D Find the slope of the line between the two points (-3, -1) and (2, -7)

Round 4… Pencils and Paper ready!!!

Question 4A Write the equation that represents the following situation: A DVD buyers club charges a $20 membership fee and $15 per DVD purchased. Write an equation for the total cost.

Question 4B Write the equation that represents the following situation:

Question 4C Write the equation that represents the following situation: A cellular phone company charges a $25 service fee and $12 per hour used a month. Write an equation for the total cost.

Question 4D Write the equation that represents the following situation: