exam Maths Puzzle Numerical Ability

2. Use the graph of the related function to estimate to solutions of each equation. 0=2x^2-3
13. For each equation solve by graphing and solve using algebra. 4x^2=10

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exam Other Question

3x + 4y = 12 (0, ),( ,3/4),( ,0),(8/3, ) add. x/12 + 3x/12
I came up with 4x^2 - just want to make sure I am doing the steps correctly