Math  /  Algebra

Question(2 points) Determine the equation that defines a quadratic function with xx-intercepts located at (9,0)(-9,0) and (2,0)(-2,0) and a yy-intercept of (0,18)(0,18).

Studdy Solution
Expand the expression to write the quadratic function in standard form:
f(x)=(x+9)(x+2) f(x) = (x + 9)(x + 2) f(x)=x2+2x+9x+18 f(x) = x^2 + 2x + 9x + 18 f(x)=x2+11x+18 f(x) = x^2 + 11x + 18
The equation that defines the quadratic function is:
f(x)=x2+11x+18 f(x) = x^2 + 11x + 18

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