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katrin2010 [14]
3 years ago
14

City planners want to construct a bike path perpendicular to Lome Lane at point P. An equation for the Lome Lane line is

Mathematics
1 answer:
omeli [17]3 years ago
4 0

Answer:

Equation of Lome lane → y = -\frac{4}{5}x

Equation of bike lane → y = \frac{5}{4}x

Step-by-step explanation:

Since, Lome lane line is passing through (0, 0) and (10, -8),

Slope of the line 'm_1' = \frac{y_2-y_1}{x_2-x_1}

                                 = \frac{0+8}{0-10}

                                 = -\frac{4}{5}

y-intercept of the line = 0

Equation of the line will be,

y = m_1x

y=-\frac{4}{5}x

Since, bike path is perpendicular to the Lome lane line a point P,

By the property of perpendicular lines,

m_1\times m_2=-1

Where m_2 is the slope of the bike path.

-\frac{4}{5}\times m_2=-1

m_2=\frac{5}{4}

Equation of line passing through (x', y') and slope 'm' is given by,

y - y' = m(x - x')

Since, bike path passes through (0, 0) and slope \frac{5}{4} will be,

y - 0 = \frac{5}{4}(x-0)

y = \frac{5}{4}x

Equation of Lome lane → y = -\frac{4}{5}x

Equation of bike lane → y = \frac{5}{4}x

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