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kow [346]
3 years ago
7

Determine the direction that this parabola opens y=x^2+2x+8up or down

Mathematics
1 answer:
Paha777 [63]3 years ago
6 0

Answer:

up

Step-by-step explanation:

The standard equation for a parabola is y = ax^2 + bx + c.  If the coefficient a is positive, then the curve (graph) opens up.

In y=x^2+2x+8  this coefficient is +1, so the curve opens up.

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