Math Problem Statement
Find the vertex, axis of symmetry, and any x x
- or y y -intercepts of f ( x ) = x 2
x + 3 f ( x )
x 2 + x + 3 . Give exact answers using fractions and square roots, not decimals. If the function does not have the requested characteristic, enter DNE. If there are multiple instances of a characteristic, separate them with commas.
a) Vertex (as an ordered pair):
b) Equation of the line of symmetry:
c) Range (in interval notation)
d) x x -intercept(s) (as ordered pair(s)):
e) y y -intercept (as ordered pair):
f) Select the graph that could represent the given parabola, based on the location of the vertex and the direction it opens.
Solution
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Math Problem Analysis
Mathematical Concepts
Algebra
Quadratic Functions
Vertex Form
Formulas
Vertex formula: x = -b / 2a
Quadratic formula: x = (-b ± sqrt(b^2 - 4ac)) / 2a
Theorems
Quadratic Formula
Properties of Parabolas
Suitable Grade Level
Grades 9-10