Math, asked by iosdisslike, 11 months ago

hey mates please help me and doooo allll questions​

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Answers

Answered by anasha59
0

Q.8 in 4th quadrant it will lie

Answered by Anonymous
1

Answer:

hey

8. (-2,5) lie in 2nd quadrant.

+,+ in 1st quadrant.

-,+ in 2nd quadrant.

-,- in 3rd quadrant.

+,- in 4th quadrant.

10. (3,5) 1st quadrant.

(4,6) 1st quadrant.

(-4,0) 2nd quadrant.

(-2,3) 2nd quadrant.

(-1,-3) 3rd quadrant.

(0,0) in centre.

11. i) 3=2x+y

y=2x-3

let x be 1

y=2(1)-3

=2-3

=(-1)

let x be 2

y=2(2)-3

=4-3

=1

let x be (-3)

y=2(-3)-3

=(-6)-3

=(-9)

ii) 15x-2y=7

2y=7-15x

y=(7-15x)÷2

let x be 1

y=[7-15(1)]÷2

=(-8)÷2

=(-4)

let x be 2

y=[7-15(2)]÷2

=(7-30)÷2

=23÷2

=11.5

let x be (-3)

y=[7-15(-3)]÷2

=[7-(-45)]÷2

=(7+45)÷2

=52÷2

=26

I hope it is helpful

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