Напишите уравнение этой прямой
y=kx+b
A(5;0)
B(-2;21)
Срочно

Выбрать другой вопрос

Смотреть ответ

Перейти к выбору ответа

Алгебра

Вопрос школьника по предмету Алгебра

Напишите уравнение этой прямой
y=kx+b
A(5;0)
B(-2;21)
Срочно

Ответ учителя по предмету Алгебра

Подставим в уравнение прямой координаты точек и получим систему уравнений:

5k + b = 0

-2k + b = 21

5k + b = 0

2k — b = — 21

7k = -21

5k + b = 0

k = 3

b = — 15

y = 3x — 15

Добавить комментарий Отменить ответ

Похожие вопросы от пользователей

Сочинение на тему Моя любимая сказка Нужно рассказать какая сказка , почему она мне нравится и чем она мне больше запомнилась от 8 до 10 предложений с переводом Даю 25 баллов
Помогите пожалуйста))) Написать на казахском языке пословицы или поговорки про зиму и снег
READING Task 1. Read the story and complete the summary of the story with necessary words. WRITE ONLY ONE WORD. Clothes in our life Clothing is something we all should wear in order to fit in to society. Clothes are easily accessible and can be bought in most high street shops. Supermarkets are also beginning to sell clothes. Clothes are for keeping people warm or serving as protection from the strong burning sun. Certain items of clothing can be expensive, especially if it is made by a well-known brand or is a particular design. While clothing is affordable for most people, the price usually depends on the quality of the material used to make the item and its brand name. The type of clothing that is worn usually depends on the situation. People that attend a wedding usually wear formal clothes. Men often wear suits and women wear dresses. Formal and smart clothing is often worn in times of celebration. People often wear different clothing at work. Some jobs require people to wear a special uniform which should be worn by all employees. A pilot, doctor or air hostess may be required to wear a uniform so that all the staff can be easily recognized. Other jobs are less strict and may allow people to wear casual clothes. Construction workers are usually asked to wear protective clothing, especially when the site is considered highly dangerous. People often choose to wear comfortable clothing inside their own home. This choice of clothing may be very different to the clothing they would normally wear outside. Some people even stay in their bedclothes all day on the weekend when they plan to relax and not go anywhere. People often wear clothing which matches their current state of health or their age. Younger females often wear high heeled shoes while elderly people tend to wear more comfortable shoes which will allow them to walk with ease. Word Guide strict: following rules or beliefs exactly. affordable: inexpensive; reasonably priced. Clothes are an important part of our society. Clothes are easy to get and even can be bought in supermarkets. They help us to feel warm and can give 1 ________ under hot burning sun. Nowadays, most people can buy themselves various clothing items. Some types of clothes are cheap, while some of them are expensive because of its popular 2 _________ or design. People wear different clothes according to situations. Usually on weddings men and women wear 3 _______ clothes like suits and dresses. However, some jobs require their staff to wear 4 ________, while others allow their workers to dress casually. ПОМОГИТЕ СРОЧНО
Задание 1 Что такое сортовой прокат? Задание 2 Каким образом получают нужный профиль проката? Задание 3 Назовите основные профили сортового проката? Задание 4 В чем преимущество П-образного профиля перед листовым? Задание 5 Из какого проката изготовлены кернеры, сверла, чертилки, резцы рубанка, болты? Задание 6 Какой прокат предназначен для дальнейшей обработки?
Какие животных можно приручить
Сколько лет живут раки
У какой пространственные фигуры все грани является квадратом?
Помогите упр 119 3 класс
Зачем нужно знать экономическое положение своей страны. В чем суть? Как это повлияет на твою жизнь и Что это тебе даст?
Даю 15 балов!Складіть рівняння реакцію,що відповідають ланцюгу перетворення!Помогите
KMnO4—》O2—》P2O3—》L2O5