exam Maths Puzzle Numerical Ability

write an equation parallel to the given line. Write an equation perpendicular to the given line.

y= -x+5

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exam Other Question

Use the factor theorem to decide whether the second polynomial is a factor of the first.

2x3 - x2 + 3x + 4; x + 1 hi!
my problem is now: THE DISTANCE BETWEEN THE ROAD OF A BRIDGE AND THE TOP PART OF ITS ARCH IS 3m. IF THE ARCH OF THE BRIDGE IS GIVEN BY THE EQUATION
h(x)=7x-x^2, FIND THE HEIGHT OF THE BRIDGE.
thank you!