The discriminante :
b^2-4ac
1^2 - 4 * -2 * -28 = 1 - 224 = -223
When the discriminant (b^2-4ac) is less than 0, the equation had no real solutions.
-223<0, so, 2x^2+x-28 = 0 has no real solutions.
Hope that helps :)
Answer:
Table 2
Step-by-step explanation:
I've done simular problems
Answer:
2x6 + 4x5 + x4 + 11x3 + 2x2 + 4x + 4
Step-by-step explanation:
Answer:
6
Step-by-step explanation:
Answer:
-2.5
Step-by-step explanation:
25/-10 = -2.5
20/-8 = 2.5
10/-4 = 2.5
-5/2 = 2.5
so the answer is -2.5
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