Quadratic Equations
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1
Using the quadratic formula, the discriminant of ax² + bx + c is:
A.b² − 4ac
B.−b/2a
C.b² + 4ac
D.√(b² − 4ac)
2
Solve x² − 5x + 6 = 0.
A.x = 2 or 3
B.x = 1 or 6
C.x = −2 or −3
D.x = 5 or 6
3
Solve: x² − 5x + 6 = 0. One solution is:
A.x = 6
B.x = −2
C.x = 5
D.x = 3
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