Math Problem Statement
The graph of the quadratic function f(z) = ar²+bx+c has its vertex at the point A (1,7) and crosses the y-axis at the point B (0,2).
(a) Write down:
(1) the equation of the axis of symmetry.
(ii) the value of c.
(b) Find the value of a and the value of 6.
Solution
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Math Problem Analysis
Mathematical Concepts
Quadratic Functions
Vertex Form
Axis of Symmetry
Formulas
Quadratic function: f(z) = az² + bz + c
Axis of symmetry formula: z = -b / (2a)
Theorems
Vertex of a parabola theorem
Standard form of a quadratic equation
Suitable Grade Level
Grades 9-10
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