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2 years ago

Point-Slope Form Practice

Mathematics

1 answer:

Lana71 [14]2 years ago

4 0

Answer:

$y=-x-7$

Step-by-step explanation:

Equation of straight line in point slope form is given as

$y-y_1=m(x-x_1)$

Here

$m=-1 \ and \ (x_1, y_1)=(-2, -5)$

Therefore,

$y+5=-1(x+2)$

$y=-x-7$

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The Range Rule of Thumb roughly estimates the standard deviation of a data set as _______.

maw [93]

Answer:

Option A)

$s = \dfrac{\text{Range}}{4}$

Step-by-step explanation:

Range Rule of Thumb

The range Rule of thumb states that the range is four times the standard deviation.
The standard deviation is a measure of dispersion.

$\text{Range = Maximum - Minimum}\\\text{s: Standard Deviation}\\\text{Range rule of Thumb:}\\\text{Range} = 4\times s\\\\s = \dfrac{\text{Maximum - Minimum}}{4}$

Thus, the correct answer is

$s = \dfrac{\text{Range}}{4}$

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3 years ago

You have two cards with a sum of (-12) In your hand.what two cards could you have?Give 2 examples

AlladinOne [14]

-6 and -6 because -6 + -6 = -12 , you could also have -8 and -4 because -8 + -4 = -12, or you could also have -10 and -2 because -10 + -2 = -12

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3 years ago

How do you graph this equation -2/3y= -6

hichkok12 [17]

Answer:

First, you want to get y by itself, so you will multiply by the reciprocal

( 3 /−2 )-2/-3 : (3/-2)-6

y=9 should be your answer. since there is no x value or "slope" your line will be straight.

Step-by-step explanation:

I have attached what your graph would look like. I hope this helps!!

3 0

2 years ago

Please help !

garri49 [273]

the answer for 1 is 3.6, 2 is 4/00, 3 is 1.367, and 4 is 4567937468436

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3 years ago

Find the greatest common factor of 18, 36,18,

Vikki [24]

Answer:

Step-by-step explanation:

18=2(3)3

36=2(2)3(3)

The GCF will be the product of their common factors, specifically 2(3)3=18

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2 years ago