Question

For the following quadratic function in general form, f(x) = -4x" + 8x + 5 use the vertex formula to find the coordinates of the vertex. Vertex: Find the coordinates of the y-intercept. y-intercept:

          For the following quadratic function in general form,
f(x) = -4x" + 8x + 5
use the vertex formula to find the coordinates of the vertex.
Vertex:
Find the coordinates of the y-intercept.
y-intercept:

Added by Abdi O.

Algebra and Trigonometry

Robert Blitzer 6th Edition

Chapter 3

Instant Answer

Solved by Expert Gregory Higby

02/05/2024

Step 1

The vertex formula is given by \( h = -\frac{b}{2a} \) and \( k = f(h) \), where \( h \) and \( k \) are the x and y coordinates of the vertex respectively. In the given function, \( a = -4 \) and \( b = 8 \). So, \( h = -\frac{8}{2*(-4)} = 1 \). Now, we Show more…

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For the following quadratic function in general form, f(x) = -4x" + 8x +5 use the vertex formula to find the coordinates of the vertex. a) find the vertex b) find the y-intercept c) left x-intercept d) right x-intercept