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Mathematics
Mathematics
Problem
Find the zeros of the quadratic polynomial
y
=
x
2
−
3
x
−
10
y = x^{2} - 3x - 10
y
=
x
2
−
3
x
−
10
and choose the correct set of
x
x
x
–intercepts of its graph. a)
(
3
+
31
2
,
0
)
\left(\dfrac{3+\sqrt{31}}{2},0\right)
(
2
3
+
31
,
0
)
and
(
3
−
31
2
,
0
)
\left(\dfrac{3-\sqrt{31}}{2},0\right)
(
2
3
−
31
,
0
)
b)
(
5
,
0
)
(5,0)
(
5
,
0
)
and
(
−
2
,
0
)
(-2,0)
(
−
2
,
0
)
c)
(
−
5
,
0
)
(-5,0)
(
−
5
,
0
)
and
(
2
,
0
)
(2,0)
(
2
,
0
)
d)
(
5
,
0
)
(5,0)
(
5
,
0
)
and
(
2
,
0
)
(2,0)
(
2
,
0
)
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