exam Maths Puzzle Numerical Ability

Find the slope of the line passing through the points (-9,-1) and (-2,-1)

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exam Other Question

Evaluate each function for the value specified.

f(x)= x² - 7x + 10;
find
(a)f(0),
(b)f(5),and
(c)f(-2).
True or false, the following polar coordinates are multiple representations of the same point: (-5, 7pi/4)(-5, 5pi/4)

i say false but i really dont know....i also dont know if this should be posted somewhere else