Question

Identify the range of the equation y = −x2 − 8x − 10

All real numbers

y ≥ −2

y ≤ 6

y ≤ −4

Answer 1

find the vertex

Answer 2

?

Answer 3

thats common terminology for studying parabolas

Answer 4

\[x = -\frac{b}{2a}\]THat gives you the x-coordinate of the vertex. Plug it back in once you get it to get your y-coordinate which is really what you're after. Then, since it's a parabola that opens downward, put it where the question mark is.
\[y ≤ ?\]