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FinnZ [79.3K]
3 years ago
8

Determine the number of solutions of 2x2 + 3x = 0.

Mathematics
1 answer:
Vedmedyk [2.9K]3 years ago
3 0
\Delta=3^2-4\cdot2\cdot0=9

9\ \textgreater \ 0 so, there are two solutions

or simply by solving

2x^2+3x=0\\
x(2x+3)=0\\
x=0 \vee x=-\dfrac{3}{2}

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Now we can solve this system of equations as:

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Now we can replace this into the other equation:

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