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3 years ago

What is the slope of (-4,6) and (2,-5)

Mathematics

2 answers:

Assoli18 [71]3 years ago

7 0

The slope is equal to y2 - y1 over x2 - x1.
The answer is -11/6

Dominik [7]3 years ago

4 0

Answer:

-11/6

Step-by-step explanation:

Slope can be found with this equation:

(y₁ - y₂) / (x₁ - x₂)

What this essentially tells us to do is to put one set of the x and y coordinates into x₁ and y₁, respectfully. Then, put the other set of x and y points as x₂ and y₂.

With this scenerio, we can substitute the given points into the formula.

(6 - (-5)) / (-4 - 2) =

(6 + 5 ) / (-6) =

11 / (-6) =

-11/6

The slope is - 11/6

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Which number is irrational?

Alex_Xolod [135]

An Irrational Number is one which cannot be put into rational form (i.e. a fraction)

Pretty much, any decimal that is not in any particular order is irrational. Of this list, <span>√ 8 is the only one that generates a non-repeating decimal, so that is your irrational number.
Hope that helped =)</span>

7 0

3 years ago

Read 2 more answers

For the function

jeka57 [31]

Answer:

x = 1

Step-by-step explanation:

For a quadratic function $f(x)=ax^2+bx+c$ , the axis of symmetry is

$x=-\frac{b}{2a}$ .

This comes from using part of the Quadratic Formula for finding zeros of the function:

$x=\frac{-b \pm \sqrt{b^2-4ac}}{2a} = \frac{-b}{2a} \pm \frac{\sqrt{b^2-4ac}}{2a}$

See the -b/(2a) in the first term? That's the x-coordinate of the vertex (turning point) of the parabolic graph of the function. The axis of symmetry goes through the vertex.

5 0

3 years ago

Simplify the expression 10-4x(6+5-1) divided by 8+7

Eddi Din [679]

Simple,

writing out the problem...

$\frac{10-4x(6+5-1)}{15}$

Simplify it...

-4x(6+5-1)

-4x(11-1)

-4x(10)

-40x

Making it look like...

$\frac{10-40x}{15}$

Cancel out the common factors...

Thus making the answer:

$- \frac{2(4x-1)}{3}$ .

8 0

3 years ago

Given the two rectangles below. Find the area of the shaded region.

larisa86 [58]

Answer:

75 units²

Step-by-step explanation:

Bigger rectangle: length * width

: 10 * 9

: 90 units²

smaller rectangle: length * width

: 3 * 5

: 15 units²

Shaded region = Bigger rectangle - smaller rectangle

= 90 units² - 15 units²

= 75 units²

4 0

2 years ago

Liana saves $25 every month in her savings account. She took out $100 one

Mkey [24]

Answer:

Step-by-step explanation:

25m - 100 = 450

25m = 450 + 100

25m = 550

m = 550/25

m = 22 <==== 22 months

7 0

3 years ago