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3 years ago

What is the slope of (1,2) (-3,-9)

Mathematics

2 answers:

kati45 [8]3 years ago

8 0

Answer:

(11/4) is the slope

Step-by-step explanation:

1) Subtract the second y value (-9) by the first y value (2) in the coordinates. This equals 11.

2) Then, subtract the second x value (-3) by the first x value (1) in the coordinates. This equals 4.

3) Divide the answer you get for step one by the answer for step 2 and that's your slope. 11/4

Zigmanuir [339]3 years ago

3 0

Step-by-step explanation:

Hey there!

The given points are; (1,2) and (-3,-9).

Use slope formula for finding the slope.

$slope(m) = \frac{y2 - y1}{x2 - x1}$

Put all values.

$m = \frac{ - 9 - 2}{ - 3 - 1}$

Simplify it.

$m = \frac{ - 11}{ - 4}$

Therefore, the slope is m= 11/4.

Hope it helps...

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Answer:

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Answer:

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3 years ago

The sum of a number and its square is 182. Find the number.

Mars2501 [29]

Answer:

13 and -14 satisfy this condition

Step-by-step explanation:

Let's represent that number as x

and the square of x is x^2

So,

x + x^2 = 182

Subtract 182 from both sides

x + x^2 - 182 = 182 - 182

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rearrange the quadratic equation

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let's use the quadratic formula

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$\frac{-1+\sqrt{1^2-4*1*(-182)} }{2*1}$ or $\frac{-1-\sqrt{1^2-4*1*(-182)} }{2*1}$

$\frac{-1+\sqrt{1+728} }{2}$ or $\frac{-1-\sqrt{1+728} }{2}$

$\frac{-1+\sqrt{729} }{2}$ or $\frac{-1-\sqrt{729} }{2}$

$\frac{-1+{27} }{2}$ or $\frac{-1-{27} }{2}$

$\frac{26}{2}$ or $\frac{-28}{2}$

13 or - 14

Lets check

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3 years ago

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inysia [295]

Answer:

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