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maksim [4K]
3 years ago
14

For what values of m does the graph of y = mx^2 – 5x – 2 have no x-intercepts?

Mathematics
1 answer:
STALIN [3.7K]3 years ago
8 0
\Delta\ \textless \ 0\\
\Delta=(-5)^2-4\cdot m\cdot(-2)=25+8m\\
25+8m\ \textless \ 0\\
8m\ \textless \ -25\\
m\ \textless \ -\dfrac{25}{8}
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