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 :)
380
3 hundreds 8 tens
2 hundreds 18 tens
1 hundred 28 tens
0 hundred 38 tens
Answer:
A.
Step-by-step explanation:
