If a line crosses the y-axis at (0, -3) and has a slope of 3, what is the equation of the line?
a.3x y = 3
b.3x − y = 3
c.-3x − y = 3
d.3x − y = -3

Respuesta :

It technically would be y=3x-3 in the y=mx+b formula, but it could also be rewritten 3x-y=3. Therefore, b would be correct.

If a line crosses the y-axis at (0, -3) and has a slope of 3, the equation of the line would be as the 3x - y =3 Option(b) is correct.

What is the equation of a line?

The equation of line is a mathematical type of addressing the arrangement of focuses, which together structure a line in a direction framework.

To find the equation of a diagramed line, find the y-catch and the slant to compose the equation in y-capture (y=mx +b) structure. Slant is the adjustment of y over the adjustment of x. Find two focuses on the line and draw an incline triangle interfacing the two focuses. Name the legs of the triangle.

The general structure ax +by +c=0 is one of the various structures you can compose linear capabilities in. Different ones incorporate the slant catch structure y=mx + b or slant point structure. We can change over the linear capability among various structures.

It would be y=3x-3 in the y=m x + b formula, but it could also be rewritten 3x-y=3 so Option(b) is correct.

Therefore Option(b) is correct.

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