book Maths Puzzle Numerical Ability

how do you work out the table of value for this question y=x�-2x-5

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book Other Question

Find the vertex of the graph of the equation y=5+16x-2x^2. Show the algebraic steps used to solve this problem. In a math contest, each team is asked 50 questions. the teams earn 15 points for each corret answer and lose 8 points for each incorrect answer. one team has finished with a score