Ask question

Ask question

All categories

3 years ago

8

How many complex roots does the equation 0=2x^3-4x^2-x+1 have

1 answer:

arsen [322]3 years ago

3 0

Answer:

No complex roots; 3 real roots

Step-by-step explanation:

If a third order polynomial has any complex roots, then as a rule it has 1 real root and 2 complex roots. In this particular case, the polynomial has three real roots, as can be determined by graphing the function. The graph crosses the x-axis in 3 places.

You might be interested in

If sin=3 by 5 and cos =4 by 5 find tan

Afina-wow [57]

Answer:

<h3>3/4</h3>

Step-by-step explanation:

$tan = \frac{sin}{cos }$

<h3> =3/5/4/5</h3>

=3/5 × 5/4

=15/20

<h3> </h3><h3> =3/4</h3>

7 0

3 years ago

A rental company charges $21 plus $18 per hour to rent a laptop. Mike rented a laptop for 9 hours. Write an expression to show h

vredina [299]

Answer:

y = 18x + 21

Step-by-step explanation:

Let x be the amount of hours of the renting and y the final cost

y = 18x + 21

In fact the final cost depends from the hours of the renting

7 0

3 years ago

Help asap I will mark brainliest if you solve both of these

Nutka1998 [239]

Answer:

2) k=17/45 and 4) 29/22

Step-by-step explanation:

4 0

3 years ago

Whats 10+-6. is it<br><br>16<br><br>-4<br><br>4<br><br>-16

zaharov [31]

Answer:

-16

Step-by-step explanation:

5 0

3 years ago

Read 2 more answers

Gavin and Caleb are playing baseball. When Gavin hits the baseball it is projected upward from ground level over Caleb's head wi

KengaRu [80]

The answer is 1434 hope this helps

6 0

3 years ago

Read 2 more answers