➤ Activity 3: What's My Value? Evaluate the expression b2 - 4ac given the following values of a, b, and c. a = 1, b = 5, c = 4 2. a = 2, b = 1, c=-21 3. a=4, b = 4, c = l 4. a = 1, b = -2, c=-2 5. a = 9, b = 0, c = 16 write the quadratic equation then find the roots of each resulting equation. a×
[tex]ax {2} + bx + c = 0[/tex]
roots


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