All categories

3 years ago

What are the possible number of negative zeros of f(x) = -2x7 - 2x6 7x5 - 7x4 4x3 4x2 ?

Mathematics

1 answer:

storchak [24]3 years ago

8 0

Hello,

f(-x)=2x^7-2x^6-7x^5-7x^4-4x^3+4x^2 has 2 changing signes.

Maximum possible number of negative roots is 2

You might be interested in

Zack deposited $1,200 in a savings account that paid 7.75% simple

Eddi Din [679]

<span>The correct answer is: Option (C) $1393.21

Explanation:
At the beginning of the Second year, the total balance would be:

$1200 + ($1200 * 7.75 / 100) = $1293

At the beginning of the Third year, the total balance would be:
$1293 + ($1293 * 7.75 / 100) = $1393.21 (Option C)</span>

6 0

3 years ago

Read 2 more answers

Alicia works out 7.5+4.8 in her head

Usimov [2.4K]

Answer:

12.3

Step-by-step explanation:

8 0

3 years ago

Recently in the United States, there were about 300,000,000 cell phone users. That same year there were about 5.7x10^9 cell phon

Alla [95]

$\frac{users worldwide}{US users}$
$\frac{5700000000}{300000000}$
$19$

6 0

3 years ago

Read 2 more answers

Consider the equation below.

Eduardwww [97]

Answer:

The equation has no solutions .

Step-by-step explanation:

Given as :

<u>The linear equation is </u>

$\dfrac{3}{4}$ (24 -16 x) = $\dfrac{-2}{3}$ (18 x -27)

Or, $\dfrac{3}{4}$ ×24 - $\dfrac{3}{4}$ × 16 x = $\dfrac{-2}{3}$ × 18 x - $\dfrac{-2}{3}$ × 27

Or, $\dfrac{3}{4}$ ×24 - $\dfrac{3}{4}$ × 16 x = $\dfrac{-2}{3}$ × 18 x + $\dfrac{2}{3}$ × 27

Or, $\frac{3\times 24}{4}$ - $\frac{3\times 16 x}{4}$ = $\frac{-2\times 18 x}{3}$ + $\frac{2\times 27 x}{3}$

Or, 3 × 6 - 3 × 4 x = - 2 × 6 x + 2 × 9

Or, 18 - 12 x = - 12 x + 18

Or, 18 - 18 = - 12 x + 12 x

or, 0 = 0

∵ The linear equation has no variables , so the equation has no solution

Hence,The equation has no solutions . Answer

8 0

3 years ago

- Critique Reasoning Tanya recorded the ages

pickupchik [31]

The error made by Tnaya in constructing the box plot is the first quartile and third quartile depicited is wrong.

A box plot is used to study the distribution and level of a set of data. The box plot consists of two lines known as whiskers and a box. The first whisker represents the minimum value and the last whisker represents the maximum value.

On the box, the first line to the left represents the first quartile. 25% of the score represents the lower quartile. The next line on the box represents the median. 50% of the score represents the median. The third line on the box represents the third quartile. 75% of the scores represents the third quartile.

For the data given, the:

Minimum value = 12
Maximum value = 22
Median = 16
First quartile = 11/4 = 2.75 = 13

Third quartile = 3/4 x 11 = 8.25 = 23

To learn more about median, please check: brainly.com/question/20434777

4 0

2 years ago