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7nadin3 [17]
2 years ago
10

What is the slope of 7x+3y<-26

Mathematics
1 answer:
pogonyaev2 years ago
7 0

Answer:

-7/3.

Step-by-step explanation:

Convert to the form y < mx + c where m is the slope:

7x + 3y < -26          Subtract 7x from both sides:

3y < -7x - 26            Divide through by 3:

y < (-7/3)x - 26/3

So the slope is -7/3.

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B) y = 3 = 2х<br><br> Is this relation linear or non-linear? Explain why.
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factorise the following 1. x²-2x+15.... 2. y²-19y+90​
Marta_Voda [28]

Answer:

1. x²-2x+15

This can't be factored, I've tried multiple ways now, but it just can't be factored.

2. y²-19y+90​

Let's factor y^2−19y+90

y^2−19y+90

The middle number is -19 and the last number is 90.

Factoring means we want something like

(y+_)(y+_)

Which numbers go in the blanks?

We need two numbers that...

   Add together to get -19

   Multiply together to get 90

Can you think of the two numbers?

Try -9 and -10:

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Fill in the blanks in

(y+_)(y+_)

with -9 and -10 to get...

(y-9)(y-10)

Answer:

(y−9) (y−10)

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Step-by-step explanation:

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