What Makes an Expression Quadratic Worksheet with Answer Key

What's on the worksheet

1. Multiply out each quadratic expression, write it in standard form and name a, b and c.
   2(x - 3)^2 + 1(5 - x)(2x + 1)\dfrac{(x + 4)(x - 2)}{2}3 - x(4x - 7)(3x + 1)^2 - 5x
2. Say whether each two-letter expression is quadratic in x and in y.
   x^2 + 4xy - y(x + y)^2 - x^23x^2 - y^3 + y\dfrac{x^2}{5} + \dfrac{2}{y}
3. Check a student's claim that an expression is cubic.
4. Photo and card mat: write the area of the mat in terms of the border width.
5. Open-top box: write the volume and the outside surface area.
6. Theater balcony: write the total seats as a function of the number of rows.
7. Find the one value in a table of a quadratic rule that was copied wrong.