exam Maths Puzzle Numerical Ability

What is a graphing window?

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exam Other Question

Determine which two equations represent parallel lines.

y = 3x-7
y = -3x+7
y = 3x + 5
y = -1/3x -7

My answer is y = 3x -7 and y = 3x +5. what if there is no c factor when using the quadradic formula to solve an equation?