Aquadratic function has a line of symmetry at x=-3.5 and zero at -9 what is the distance from the given zero to line of symmetry

If a quadratic function has zero at x=-9, then point (-9,0) lies on the graph of quadratic function.

A line of symmetry has equation x=-3.5 that is x+3.5=0.

Use formula for the distance from point to the line AX+By+C=0:

Thus,

the distance is 5.5 units.

1 is c

2 is a

3 is a

step-by-step explanation:

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