exam
Maths Puzzle
Numerical Ability
solve the following of linear equation by elimination, i.e. solve for x and y, and explain the meaning of the answer:
3x+4y=-3
-6x-8y=6
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exam Other Question
I need Theorem 3-10 to be proof.
The Theorem states the "Two lines parallel to a third line are parallel to each other."
Given: k || l; k || n
Prove: l || n
find the vertex of the parabola represented by each equation.
1) y=2x^-6x+6
2) y=3x^+4x=5