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The Quadratic Formula
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The Quadratic Formula
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1. Equations and Inequalities / The Quadratic Formula / Problem 2
Problem 2
For the following equation, calculate the
discriminant
, as well as the number and type of solutions
4x
2
- 28x + 49 = 0
A
D = 784, two real solutions
B
D = 0, only one real solution
C
D = - 784, no real solutions
D
D = 1/784, two real solutions
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