exam Maths Puzzle Numerical Ability

How do you factor completely 8n^2-2?

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exam Other Question

Is this function always increasing, decreasing, or remaining constant?

y = 0(-x + 1)
Always increasing
Always decreasing
Always constant
There is no way to know Please help.

Write the equation of the line with given slope and y-intercept. Then graph each line using the slope and y-intercept.

Slope: 5; y-intercept (0, -2)

Thanks
JMS