What is an equation of the line that passes through the point (1, -3) and is perpendicular to the line x + 3y
= 21?

  3x -y = 6

Step-by-step explanation:

When the equation of a line is given in the form ax+by=c, the perpendicular line through point (h, k) will be ...

  bx -ay = bh -ak

Here, we have a=1, b=3, h=1, k=-3, so the line is ...

  3x -y = 3(1) -(1(-3))

  3x -y = 6

Step-by-step explanation:

Arrange values into slope intercept form ; y=mx+b

Arrange values into slope - intercept form and solve for b

Substitute new values into slope intercept form

Arrange in standard form

1. minimum

2. 6400

3. eight

hope this !

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step-by-step explanation: