Quadratic Functions, Equations and Inequalities

Quadratic Functions, Equations and Inequalities

Secondary 3

Consider the function \(y=x^2-4x-1.\)

  1. Complete the table.

    \(x\)\(-1\)\(0\)\(1\)\(2\)\(3\)\(4\)\(5\)
    \(y\)
  2. On graph paper, draw the curve for \(-1\le x\le5\).

  3. Use your graph to solve \( x^2-4x-1=0. \)

    Give your answers to 1 decimal place.

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