Question

The equation of any line in the coordinate plane can be written in the form Ax+By=C where A, B, C are real numbers. Select all of the equations below that define y as a function of x.
−12x−85y=0

−9x+0y=78

0x+56y=−11

3x−4y=−2

Answer 1

The equations which define y as a function of x are; −12x−85y=0 and 3x−4y=−2.

What are real numbers?

Any number that one can think of, except complex numbers, is a real number. Real numbers therefore include rational numbers like positive and negative integers, fractions, and irrational numbers.

On this note, the equations as displayed in the answers provided above define y as a function of x.

Read more on straight line equations;

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