exam Maths Puzzle Numerical Ability

write the slope intercept form for an equation of the line parallel to the graph of the given equation and passing through the given point?

y=-2x+4, (6,-6)

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exam Other Question

Can someone help me solve this quadratic equation by completing the square? PLEASE!
2x^2+10x+11=0

This is what I have so far:
2x^2+10x/2=-11/2 which leads to;
x^2+5x=-11/2
T Leon drove 270 miles the lodge in the same time as Pat drove 330 miles to the lodge. If Pat drove 10 miles per hour faster than Leon, then how fast did each of them drive?