Anonymous
Anonymous asked in Science & MathematicsMathematics · 1 decade ago

few math questions Algebra help!?

first question:

1)Is this dependent or independent

9x=3y+12

4=3x-y

2)Solve equation by Substitution

2x+5y=-2

4x+10y=10

3)graph

x+y=1

x-y=-5

1 Answer

Relevance
  • 1 decade ago
    Favorite Answer

    1) Dependent.

    2) No solution.

    3) i. Graph going up and to the left, crossing at (1,0) and (0,1)

    ii. Graph going up and to the right crossing at (-5,0) and (0,5)

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