Continued Question:Use The Graph Of Y = X2 + 4x - 5 To Answer The Following

Discriminant : B^2 - 4ac

In the given equation, a = 1, b = 4, c = -5

Therefore, discriminant = 4^2 - 4(1)(-5) = 16 + 20 = 36

The graph would have 2 x-intercept.
thanked the writer.
Use the graph of y = 7 – 6x – x2  to answer the following:
Use the graph of y = 7 – 6x – x2  to answer the following:

A) Without solving the equation (or factoring), determine the solutions to the equation 7 – 6x – x2 = 0  using only the graph.

Explain how you obtain your answer(s) by looking at the graph:

B) Does this function have a maximum or a minimum?

Explain how you obtain your answer by looking at the graph:

C) What is the equation of the line (axis) of symmetry for this graph?

D) What are the coordinates of the vertex in (x, y) form?

thanked the writer.
Use the graph of y = x2 + 4x - 5 to answer the following:

A) Without solving the equation or factoring, determine the solution(s) to the equation,  , using only the graph.

Explain how you obtained your answer(s) by looking at the graph:

B) Does this function have a maximum or a minimum? 