use the quadratic formula to solve the equation. If necessary, round the nearest hundredth. 2a^2-30a+108=0
1 answer:
We know that
the formula to solve the quadratic equation is
x={-b(+/-)√[b²-4ac]}/2a
we have
2a²<span>-30a+108=0
where
a=2
b=-30
c=108
</span>x={30(+/-)√[30²-4*2*108]}/(2*2)
x={30(+/-)√[36]}/(4)
x={30(+/-)6}/(4)
x1=(30+6)/4----> 36/4----> 9
x2=(30-6)/4----> 24/4----> 6
the answer is
the values of a are
a1=9
a2=6
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