What is the slope of a line perpendicular to the line whose equation is 4x - y = 9. Fully reduce your answer.

step-by-step explanation:

the multiplicative inverse of a fraction a/b is b/a. for the multiplicative inverse of a real number, divide 1 by the number. for example, the reciprocal of 5 is one fifth 1/5 or 0.2, and the reciprocal of 0.25 is 1 divided by 0.25, or 4.

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table 3 represents a direct variation function. : )