1.

What is the slope of the line perpendicular to the line 4x - 3y + 8 = 0?1. -4/32. -3/43. 4/34. 3/4

Answer» Correct Answer - Option 2 : -3/4

Given:

A line is perpendicular to line 4x - 3y + 8 = 0.

Formula used:

y = mx + c

Where m is the slope of the line.

The product of slope of two perpendicular lines is –1

m1 × m2 = –1

Calculation:

Let us find the slope of line 4x - 3y + 8 = 0

⇒ y = (4/3)x + (8/3)

The slope of the equation is (4/3)

The product of slope of two perpendicular lines is –1

Let slop of the perpendicular line is m

⇒ m × (4/3) = –1

⇒ m = –3/4

∴ The slope of the line perpendicular is –3/4.



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