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Vikentia [17]
3 years ago
11

If a line through the origin has a slope of 2, what is the slope of the line through the origin that is perpendicular to

Mathematics
1 answer:
Dmitriy789 [7]3 years ago
6 0

Answer:

-\frac{1}{2}

Step-by-step explanation:

We have the slope value of the first line, we will call this m_{1}

so  m_{1}=2

And we use the <u>condition </u>so that two lines are perpendicular: the product of the two slopes must be equal to -1.

That is, if the slope of the first line is m_{1} and the slope of the second line is m_{2}:

m_{1*}m_{2}=-1

we know that m_{1}=2, so:

2m_{2}=-1

and clearing for m_{2}:

m_{2}=-\frac{1}{2}

the slope of the line perpendicular to the line with a slope of 2 is: -\frac{1}{2}

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3 years ago
What is the slope of the line that passes through (4, 12) and (5, 16)?
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3 0
3 years ago
The diagram below shows a rectangle with a shaded region. What is the area, in square meters, of the shaded region in the diagra
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Answer:

Step-by-step explanation:

Area of shaded region= area of rectangle- area of triangle

Area of rectangle= l×b

                            =9×3

                            = 27m²

Area of triangle= \frac{1}{2} b×h

                        =\frac{1}{2} ×3×3

                        =\frac{9}{2} ⇒4.5

Area of shaded region= area of rectangle- area of triangle

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