SOLUTION: 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, 4 5 0 2 x x

Algebra ->  Quadratic Equations and Parabolas  -> Quadratic Equations Lessons  -> Quadratic Equation Lesson -> SOLUTION: 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, 4 5 0 2 x x       Log On


   



Question 760321: 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, 4 5 0 2 x x , using only the graph.
Answer:
Explain how you obtained your answer(s) by looking at the graph in a brief sentence:
b) Does this function have a maximum or a minimum?
Answer:
Explain how you obtained your answer by looking at the graph in a brief sentence::
c) What are the coordinates of the vertex in (x, y) form?
Answer:
d) What is the equation of the line of symmetry for this parabola?
Answer:

Answer by stanbon(75887) About Me  (Show Source):
You can put this solution on YOUR website!
Use the graph of y = x^2 + 4x - 5 to answer the following:
graph%28400%2C400%2C-10%2C10%2C-10%2C10%2Cx%5E2%2B4x-5%29
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a) Without solving the equation or factoring, determine the solution(s) to the
equation, 4 5 0 2 x x , using only the graph.
Answer:27,40,-5,7
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Explain how you obtained your answer(s) by looking at the graph in a brief sentence:
I'll leave that to you.
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b) Does this function have a maximum or a minimum?
Answer: Minimum because the coefficient of x^2 is positive.
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Explain how you obtained your answer by looking at the graph in a brief sentence::
c) What are the coordinates of the vertex in (x, y) form?
Answer: (-2,-9)
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d) What is the equation of the line of symmetry for this parabola?
Answer: x = -2
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Cheers,
Stan H.
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