Someone please tell me what this is, the question is what is the slope of this line ?

Mathematics

2 answers:

AnnyKZ [126]3 years ago

7 0

Answer:2/3

Step-by-step explanation:

rise/run. y=2 x=3

AnnZ [28]3 years ago

4 0

Answer: slope ≈0.7

Step-by-step explanation:

The formula for finding the slope of a line is given as :

slope = $\frac{y_{2}-y_{1}}{x_{2}-x_{1}}$

$x_{2}=9$

$x_{1}=-3$

$y_{1}= -5$

$y_{2}= 3.6$

substituting into the formula we have:

slope = $\frac{3.6-(-5)}{9-(-3)}$

slope = $\frac{8.6}{12}$

slope ≈0.7

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Maksim231197 [3]

<h2>Answer:</h2>

The equation that is used to model the length of ladder in terms of x is:

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<h2>Step-by-step explanation:</h2>

We can model this problem with the help of a right angled triangle whose hypotenuse is 13 meters and the other two legs are x meters and (x-7) meters.

where x is the distance between the top of the ladder and the ground.

and (x-7) is the distance between the foot of the ladder and the wall.

Hence, using Pythagorean Theorem we have:

$13^2=x^2+(x-7)^2\\\\i.e.\\\\169=x^2+x^2+49-14x\\\\i.e.\\\\169=2x^2-14x+49\\\\i.e.\\\\2x^2-14x+49-169=0\\\\i.e.\\\\2x^2-14x-120=0\\\\i.e.\\\\x^2-7x-60=0$