emmaerinclark emmaerinclark
  • 14-07-2020
  • Mathematics
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A line containing the points (9, 1) and (5, 5) intersects the x -axis at what point?

Respuesta :

Space
Space Space
  • 14-07-2020

Answer:

It intersects the x-axis at x = 10

Step-by-step explanation:

Step 1: Find slope m

m = (5 - 1)/(5 - 9)

m = 4/-4

m = -1

y = -x + b

Step 2: Find b

5 = -5 + b

b = 10

Step 3: Rewrite equation

y = -x + 10

Step 4: Find x when y = 0

0 = -x + 10

-10 = -x

x = 10

So the graph crosses the x-axis at 10.

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