SOLUTION: What is an equation of a quadratic function that has zero's at -3 and 5 and has a y-intercept at (0,30)?
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Question 926572: What is an equation of a quadratic function that has zero's at -3 and 5 and has a y-intercept at (0,30)?
Answer by MathLover1(20849) (Show Source): You can put this solution on YOUR website!
a quadratic function that has zero's at and and y-intercept at (,)
...(,)=>
if =>
...reduce, divide by
....eq.1
if =>
...reduce, divide by
....eq.2
solve the system:
....eq.1
....eq.2
_______________________add both
plug it in eq.1 or 2 and find
....eq.1
so, your equation is:
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