exam Maths Puzzle Numerical Ability

The key is to find the slope of the line between the two given points, then use that value to determine the slope of a perpendicular line.

16) Find the slope of any line perpendicular to the line through points (0, 5)
and (-3, -4).

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exam Other Question
The Directions state: Write the equation of the quadratic function in standard form y = a ( x - h ) ^ 2 + k.

Given the vertex is ( -1 , -4 ) and passes through the point ( -2 , -6 ). _+0/_+30

What does the blank equal, it has to be a whole number from 0-50!?!?