Math Problem Statement
Describe the graph of the quadratic function.
f(x) = x2 + 10x + 7
parabola opening upward
parabola opening downward
Correct: Your answer is correct.
Identify the vertex and the x-intercept(s). Use a graphing utility to verify your results. (If an answer does not exist, enter DNE.) vertex (x, y) =
Correct: Your answer is correct.
x-intercept (x, y) =
Incorrect: Your answer is incorrect.
(smaller x-value)
x-intercept (x, y) =
Incorrect: Your answer is incorrect.
(larger x-value)
Solution
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Math Problem Analysis
Mathematical Concepts
Algebra
Quadratic Functions
Graphing
Formulas
Vertex formula: x = -b/(2a)
Quadratic formula: x = (-b ± √(b² - 4ac)) / 2a
Theorems
Quadratic formula
Properties of parabolas
Suitable Grade Level
Grades 9-11
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