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Sagot :

Answer:

1. y = 2x

2. y = 1/5(x)

3. y = -3x

4. y = 4x

Step-by-step explanation:

All of these lines are proportional, so they're in the form of y = kx where k = constant of proportionality.

Slope Formula: [tex]\frac{y_2-y_1}{x_2-x_1}[/tex]

1.

  • [tex](4-0)/(2-0)[/tex]
  • [tex]4/2[/tex]
  • [tex]2[/tex]
  • y = 2x

2.

  • [tex](1-0)/(5-0)[/tex]
  • [tex]1/5[/tex]
  • y = 1/5(x)

3.

  • [tex](-9-0)/(3-0)[/tex]
  • [tex]-9/3[/tex]
  • [tex]-3[/tex]
  • y = -3x

4.

  • [tex](-8-0)/(-2-0)[/tex]
  • [tex]-8/-2[/tex]
  • [tex]4[/tex]
  • y = 4x

Have a lovely rest of your day/night, and good luck with your assignments! ♡