exam Maths Puzzle Numerical Ability

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If two numbers are opposite of each other, are their reciprocals also opposite of each other?

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Evaluate log8 fifth root of 8 Hello, could someone help me on this problem please? Thank you for your help.
problem #68: Find the slope-intercept form of the equation of the line passing through the points. Sketch the line.
Points: (4,3) (-4,-4)