Графики функций у = 0,5х - 3, у = -4х + 6 и у = kx пересекаются в одной точке. Найдите значение k. Постройте в одной системе координат графики этих функций
Глория Велш сейчас в Британии. Перед вами разговор между Глорией и Клэр. Дополните разговор. Выберите слова из рамки.
Clare: So you are ready for the trip. Are you leaving today?
Gloria: No, I'm not. I am leaving tomorrow (e).
Clare: Where are you going?
Gloria: I am going to Albany (b).
Clare: To Albany? What are you going to do there in November?
Gloria: I am going to spend Thanksgiving Day with my family (c).
Clare: Have you planned your Christmas holidays?
Gloria: Not yet. Maybe I will go to Florida (a). And what are your plans for Christmas?
Clare: We are going to visit my grandparents (d). We always do it.
Tom: What are your plans, Rick? What (0) are you (loins at the weekend?
Rick: You know, Tom, my parents have decided to go to Brighton. I think it's a great idea. I (1) will swim and fish there a Jot, And what are your plans?
Tom: I think T (2) will spend the whole weekend in town. Maybe I (3) will so to Sam's place and we (4) will play computer games. Rick: And what about your parents?
Tom: My dad has prepared Everything for the competition He (5) is takine part in the fishing competition on Saturday. And my mum (6) is going with him to watch the competition.
Ответы:
(0) are you doing
(1) will swim and fish
(2) will spend
(3) will go
(4) will play
(5) is taking part
(6) is going
Есть (для третьей прямой): 2 = k • 2; k = 1.