What is the solution of the system? Use a graph. y = –x + 2 y = 3x – 1
1 answer:
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The solution to the quadratic equation are option C) x= -5 and option E) x=3.
<u>Step-by-step explanation</u>:
The given quadratic equation is x²+2x-15 = 0.
Using the factorization method,
- product of the roots should be -15.
- Sum of the roots should be 2.
⇒ -15 = 5 -3
⇒ 2 = 5+(-3)
(x+5)(x-3) = 0
Therefore, x = -5 and x = 3
Answer:
Step-by-step explanation:
Given
Required
Determine the height
The volume is calculated as:
Since, it has a triangular cross-section, the expression becomes:
So, we have: