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sahaaaspam
College
prove that the value of the expersion y^2-10y+30 can only be a positive number
PLEASE ANSWER ASAP WILL GIVE BRAINLIEST
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(Based on todays review)
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mhanifa
Answer:
- See below
Step-by-step explanation:
- y² - 10y + 30 =
- y² - 10y + 25 + 5 =
- (y - 5)² + 5
Since (y - 5)² ≥ 0, the expression above is positve:
- (y - 5)² + 5 ≥ 5
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