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GenaCL600 [577]
3 years ago
10

1. Find the slope of the line passing through (-3,-4) and (-6,-2).

Mathematics
2 answers:
r-ruslan [8.4K]3 years ago
8 0

Answer:

slope = - \frac{2}{3}

Step-by-step explanation:

Calculate the slope m using the slope formula

m = \frac{y_{2}-y_{1}  }{x_{2}-x_{1}  }

with (x₁, y₁ ) = (- 3, - 4) and (x₂, y₂ ) = (- 6, - 2)

m = \frac{-2+4}{-6+3} = \frac{2}{-3} = - \frac{2}{3}

Juliette [100K]3 years ago
3 0

Answer:

slope= 2/-3

Step-by-step explanation:

Equation of the line: y=2/-3x-6

the slope being 2/-3

the y-intercept being -6

putting the slope as -0.66667 will still get you the same line going.

Hope this helps! :)

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Two classes have a total of 50 students. One class has 6 more students than the other. How may students are in the larger class
givi [52]
Subtract 6 from 50:
50-6 = 44
Divide 44 by 2:
44/2 = 22

add 6:

22+6 = 28

There is 22 in the smaller class and 28 in the larger class.
5 0
3 years ago
What is 9 + 10? This is hard homework
Lubov Fominskaja [6]
9 + 10=21 :)
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4 0
2 years ago
Write the given roots to quadraatic equation
german

Answer:

It's like solving a quadratic, but in reverse, and in this case you'll arrive at x2+x−12=0

Explanation:

We're going to go "backwards" with this problem - normally we're asked to take a quadratic equation and find the roots. So we'll do what we normally do, but in reverse:

Let's start with the roots:

x=3, x=−4

So let's move the constants over with the x terms to have equations equal to 0:

x−3=0, x+4=0

Now we can set up the equation, as:

(x−3)(x+4)=0

We can now distribute out the 2 quantities:

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6 0
2 years ago
If f(x) = 4(3x - 5), find f-1(x)
deff fn [24]

Answer:

f^{-1}(x) =  \frac{1}{12}(x+20)

Step-by-step explanation:

Given: f(x) = 4(3x - 5)

Is required to find f⁻¹(x)

f(x) = y = 4(3x - 5)

∴ y = 4 * 3x - 4 * 5

∴ y = 12x - 20 ⇒ add 20 to both sides

∴ y + 20 = 12x ⇒ divide both sides by 12

∴ \frac{1}{12} (y+20) = x

Replace the places of x and y.

∴ y=\frac{1}{12} (x+20)

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Answer:

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