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15 questions
Solve by the Quadratic Formula:
9u2−11u+7=0
18−11±131
1811±131
−1811±131
1811±i373
Solve by the Quadratic Formula:
−12q2+3q+7=0
24−3±345
−243±345
243±345
243±i39
Solve by the Quadratic Formula:
18j2 +9j +16=12+7j2
22−9±i95
22−9±95
229±i95
229±95
If b2-4ac is positive, the quadratic equation has:
Two real solutions that are different
Two imaginary solutions that are different
One real solution
One imaginary solution
If b2-4ac is negative, the quadratic equation has:
Two real solutions that are different
Two imaginary solutions that are different
One real solution
One imaginary solution
If b2-4ac is 0, the quadratic equation has:
Two real solutions that are different
Two imaginary solutions that are different
One real solution
One imaginary solution
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