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Pls help with middle school math (2 questions in photo)

Pls Help With Middle School Math 2 Questions In Photo class=

Sagot :

Medunno13idn

Question 8

Part (a)

The gradient is the coefficient of x after isolating y.

[tex]3x+y=15 \\ \\ y=\boxed{-3}x+15 [/tex]

Part (b)

The line crosses the y-axis when x=0. So, the line crosses tne y-axis at (0,15).

By similar logic, the answers to Question 9 are:

(a) -3

(b) (0, -4.5)

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