exam Maths Puzzle Numerical Ability

1. Find the slope: y=-3/2x + 5/3

2. Find the equation: slope-4 through point (-2,3)

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exam Other Question

I need your help how do you solve x^2-2x-9=0 What is the slope of the line that is perpendicular to a line with undefined slope?

a. It too is undefined
b. 0
c. -m^-1
d. There is no way to determine this