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Charra [1.4K]
3 years ago
13

What is the slope (2,-9) (-2,9)

Mathematics
1 answer:
Aleks04 [339]3 years ago
5 0

Answer:

             \bold{m=-\dfrac92=-4.5}

Step-by-step explanation:

\bold{slope\, (m)=\dfrac{change\ in\ Y}{change\ in\ X}=\dfrac{y_2-y_1}{x_2-x_1}}

(2, -9)    ⇒   x₁ = 2,  y₁ = -9

(-2, 9)    ⇒   x₂ = -2,  y₂ = 9

So the slope:

                    \bold{m=\dfrac{9-(-9)}{-2-2}=\dfrac{18}{-4}=-\dfrac92}

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