08-04-2015
Mathematics

Answered

Please help and explain with these 2 math questions!!!!!!

Please help and explain with these 2 math questions class=

Please help and explain with these 2 math questions class=

Answer :

08-04-2015

1) -10x+y=4

Now, you should substitute x in every situation.

* x=-2 => -10*(-2)+y=4... 20+y=4... y=-16

* x=-1 =>-10*(-1)+y=4... 10+y=4... y=-6

*x=0 => -10*0+y=4... y=4

* x=1 => -10*1+y=4... -10+y=4... y=14

* x=2 => -10*2+y=4... -20+y=4... y=24

2) -5x-1=y

For example: x=0

-5*0-1=-1

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