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Mathematics
Problem
State the condition on
b
2
−
4
a
c
b^2-4ac
b
2
−
4
a
c
for the quadratic polynomial
y
=
a
x
2
+
b
x
+
c
y = ax^2 + bx + c
y
=
a
x
2
+
b
x
+
c
to have exactly one x-intercept.
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