2 years ago

Solve quadratic inequality x^2+4x≥0

Mathematics

1 answer:

klemol [59]2 years ago

7 0

Answer:

Step-by-step explanation:

y = x² + 4x is an up-opening parabola with x-intercepts 0 and -4.

y ≥ 0 when x≤-4 or x≥0

range: (-∞,-4)∪[0,+∞)

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