exam Maths Puzzle Numerical Ability

Find the value of k that will make the roots of kx^2+4x+12=0

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i dont know how to solve this problem so that i get the equation of an ellipse
4x^2+9y^2+16x-18y-11=0 Hockey teams receive 2 points when they win and 1 point when they tie. One season, a team won a championship with 60 points. They won 12 more games than they tied. How many wins an