math

• What are the coordinates of point A?

  (2, 5)
• What are the coordinates of point B?

  (8, 23)
• What are the coordinates of point D?

  (5, 17)
• What are the coordinates of point E?

  (-3, 2)
• What are the coordinates of point F?

  (2, 7)
• What are the coordinates of point G?

  (-1, -4)
• What are the coordinates of point H?

  (3, 4)
• What are the coordinates of point J?

  (-4, 7)
• What are the coordinates of point K?

  (1, 2)
• What are the coordinates of point L?

  (-5, 0)
• What are the coordinates of point M?

  (0, -10)
• What are the coordinates of point P?

  (-4, 0)
• What are the coordinates of point Q?

  (0, 5)
• What are the coordinates of point R?

  (0, -3)
• What are the coordinates of point S?

  (4, 7)
• What are the coordinates of point T?

  (3, 1)
• What are the coordinates of point U?

  (7, 7)
• What are the coordinates of point V?

  (-2, 5)
• What are the coordinates of point W?

  (4, -3)
• How do you find the equation of a line connecting two points?

  1. Calculate the slope (m) using:

  $m =$$\frac{y_2 - y_1}{x_2 - x_1}$

  1. Use point-slope form:

  $y - y_1 =$$m(x - x_1)$
• What is the basic charge for deliveries by the local firm?

  £2
• What does the extra charge for deliveries depend on?

  Distance
• If an 8 mile delivery costs £6, what is the equation for the line in terms of M and C?

  Equation: $C =$$2 +$$0.5M$