3 years ago

The lines shown below are perpendicular. If the green line has a slope of

Mathematics

2 answers:

elena-14-01-66 [18.8K]3 years ago

6 0

Answer: A. 9

Step-by-step explanation:

Given: The red line and the green line are perpendicular to each other.

The slope of green line = $\dfrac{-1}{9}$

We know that the product of slopes of two perpendicular line is -1.

Let m be the slope of red line ], then we have

$\dfrac{-1}{9}\times m=-1\\\\\Rightarrow\ m=\dfrac{9}{1}=9$

Hence, the slope of the red line = 9.

DedPeter [7]3 years ago

3 0

The opposite reciprocal of -1/9 is 9
So the answer is A

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