Предмет: Алгебра, автор: sharunovamaria01

При каких значениях параметра p уравнение 4X^2+p=0 имеет два различных действительных корня?

Ответы

Автор ответа: 100275

0

4X^2+p=0
4X^2=-p
X^2=-p/4

требование: -р/4>0
-p>0
p<0

Автор ответа: sharunovamaria01

0

Спасибо)))

Предыдущий вопрос

Следующий вопрос

Похожие вопросы

Предмет: Математика, автор: texbos

Во сколько раз разность чисел 1000 и 717 меньше суммы чисел 63675 и 7075?

7 лет назад

Предмет: Русский язык, автор: misheelterkh

Пж пж пж помогите срочно!!!!!!!!!!!

7 лет назад

Предмет: Английский язык, автор: davlera0907

сократите текст

In our modern, high-tech society more and more people are spending time online. We get used to doing our shopping, watching films, reading news, chatting with friends via the Internet. A lot of people are thinking over even to start an online education. Whether e-learning useful or not, that is the actual question nowadays.

There is no doubt that e-learning is comfortable for students. Firstly, they can learn at their own pace. They do not have to be in a certain place and at a certain time for studying. They can learn wherever and whenever they want. Secondly, e-learning is more convenient for people who do not have time to go to lessons. Just imagine that you do not need to commute to school every day, especially if your school is far from the place where you live. As a result, people can save time and money on travel.

Despite these points, there are a lot of disadvantages of e-learning. One disadvantage is you can feel lonely studying alone. With e-learning, there is no chance to meet other people and share ideas with them. Moreover, without the teacher’s help, you might not understand the topic of the lesson, and there will be nobody close by you to help. Furthermore, e-learning depends too much on technology. For example, you have computer problems that can make you miss lessons. As a result, students can fall behind.

All in all, e-learning is a welcome and useful development. But we need to solve the problem of timely help to students. Without contact with the teacher and other students, e-learning cannot be effective

7 лет назад

Предмет: Математика, автор: meshkovasveta

ПОМОГИТЕ!!!! ПЕРИМЕТР РАВНОБЕДРЕННОГО ТРЕУГОЛЬНИКА РАВЕН 14 см. А ОДНА ИЗ СТОРОН РАВНА 8 см. НАЙДИТЕ ДВЕ ДРУГИЕ СТОРОНЫ.
Варианты ответа: а) 8см и 2см б) 3см и 3 см. в) такого треугольника не существует г) другой ответ.

10 лет назад

Предмет: Математика, автор: asel8107

Найти корень уравнения 19998+х=30000

10 лет назад