# Determining the number of x-intercepts and the location of the vertex.

Not what you're looking for? Search our solutions OR ask your own Custom question.

Without drawing the graph of the given equation, determine:

(a) how many x-intercepts the parabola has

(b) whether its vertex lies above or below the

x-axis.

y = -x^2 + 2x - 1

Â© BrainMass Inc. brainmass.com December 15, 2022, 4:00 pm ad1c9bdddfhttps://brainmass.com/math/determining-the-number-of-x-intercepts-and-the-location-of-the-vertex-6761

#### Solution Preview

Y = -x^2+2x-1 = -(x-1)^2

So we know that the parabola has only ...

#### Solution Summary

For a given function, the number of x-intercepts and the location of the vertex is determined, without drawing the function.

$2.49