Answer:
In the case of a quadratic equation ax2 + bx + c = 0, the discriminant is b2 − 4ac; for a cubic equation x3 + ax2 + bx + c = 0, the discriminant is a2b2 + 18abc − 4b3 − 4a3c − 27c2.
Step-by-step explanation:
The first one
Today’s temperature was less than Negative 15 degrees Fahrenheit.
The equation r = u/st is equivalent to u = rst .
True
− 4.8 /0.6 =−8
Hope this helps!
The correct answer is:
A=4
B=5
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