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liubo4ka [24]
3 years ago
6

What is the equation of the line that passes through the point (4.11) and is perpendicular to the line with the following equati

on? OA. y = -x + 14 O B. - r - 15 OD. & 1 + 8​
Mathematics
1 answer:
Klio2033 [76]3 years ago
7 0

Answer:

y = x +7

Step-by-step explanation:

Given

Point\ (x_1,y_1) = (4,11)

Perpendicular to y = -x + 14

Required

Determine the line equation

An equation has the form

y = mx + b

Where

m = slope

By comparison with y = -x + 14

m = -1

Because the line is perpendicular to y = -x + 14, the following relationship exists

m_1 = \frac{-1}{m} i.e. the condition for perpendicularity

Where m1 is the slope of the equation that passes through Point\ (x_1,y_1) = (4,11)

So, we have:

m_1 = \frac{-1}{-1}

m_1 = 1

The line equation is then calculated using:

y - y_1 = m_1(x - x_1)

Where

m_1 = 1

Point\ (x_1,y_1) = (4,11)

So, we have:

y - 11 = 1(x - 4)

y - 11 = x - 4

Add 11 to both sides

y - 11+11 = x - 4+11

y = x - 4+11

y = x +7

<em>The B, C and D parts of your question are not clear.</em>

<em>Apply the same steps used in (a) above and you'll get your answers</em>

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