Directions: Using the digits 0 to 9 at most one time each, fill in the boxes to make one function have no real roots, another function have one real root, and the last function have two real roots.


How do you know that a quadratic equation has only one solution?


There is more than one answer. Here are some possibilities:
a) y = 5x^2 + 3x + 7
b) y = 1x^2 + 6x + 9
c) y = 4x^2 + 8x + 2

Click on this link to see another possibility: Discriminant

Source: Lynda Chung

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Asymptotes of Rational Functions

Directions: Using the digits 1 to 9 at most one time each, place a digit …

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