Answer :
Considering the definition of parallel line,the equation of parallel line to the line y=2/3x-5 and passes through the point (9,-4) is y= 2/3x -10.
Linear equation
A linear equation o line can be expressed in the form y = mx + b
where
- x and y are coordinates of a point.
- m is the slope.
- b is the ordinate to the origin and represents the coordinate of the point where the line crosses the y axis.
Parallel line
Parallel lines are two lines that are always at the same distance from each other and that prolonged towards infinity never touch.
Two lines are parallel if they have the same slope and different y-intercepts.
Equation of parallel line in this case
In this case, the line is y=2/3x-5
where:
- The slope is 2/3.
- The y-intercept is -5.
Two lines are parallel if they have the same slope. So, the parallel line has a slope of 2/3 and this passes through the point (9, -4). Replacing in the expression y=mx + b:
-4= 2/3× 9 + b
-4= 6 + b
-4 -6 = b
-10 = b
Finally, the equation of parallel line is y= 2/3x -10.
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