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Zielflug [23.3K]
2 years ago
15

Question 3

Mathematics
1 answer:
Fiesta28 [93]2 years ago
5 0
Answer: y = -6x + 2

m = y_2 - y_1
/ x_2 - x_1

-10 - 8
/ 2 - (-1)

= -18/3 = -6

m (slope) = -6

y = mx + b
y = -6x +b

Find b using (-1,8)
y = -6x +b
8 = -6(-1) + b
8 = 6 + b
-6 -6
2 = b

Final answer: y = -6x + 2

To check using one of the points: (-1,8) or (2,-10)
y = -6x + 2
-10 = -6(2) + 2
-10 = -12 + 2
-10 = -10
This is a true statement.
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Find in RxR the S.S of the following pair of equation
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Step-by-step explanation:

Given the 2 equations

x - 2y = 0 → (1)

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5 0
3 years ago
The sum of Ellie's age and Genya's age is 60. In six years, Genya will be eight times as old as Ellie. How old is Ellie now?
ArbitrLikvidat [17]

Answer:

<u>2 years old</u>

Step-by-step explanation:

Let Ellie's age ⇒⇒⇒ x

And Genya's age ⇒⇒⇒ y

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∴ x + y = 60 ⇒ (1)

∵ In six years, Genya will be eight times as old as Ellie

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∴ y = 8x + 42 ⇒ (2)

By substituting from 2 at 1 with the value of y

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∴ x = 18/9 = 2

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So, Ellie's age now = 2 years old

And Genya's age = 58 years old

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Answer:

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Step-by-step explanation:

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4 years ago
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