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vitfil [10]
3 years ago
15

Use the quadratic formula to solve 2y2 + 3y = 2.

Mathematics
1 answer:
andreev551 [17]3 years ago
6 0
Assuming you mean <span>2y</span>²<span> + 3y = 2 we are solving the quadratic
To solve a quadratic formula you need to know the formula.
Formula > x1, 2 = </span>\frac{-b\pm \sqrt{b^2-4ac}}{2a}
<span>Now we must plug in the values. a = 2 b = 3 c = -2
</span>y=\frac{-3+\sqrt{3^2-4\cdot \:2\left(-2\right)}}{2\cdot \:2}=\frac{1}{2} \ \textgreater \  y=\frac{-3-\sqrt{3^2-4\cdot \:2\left(-2\right)}}{2\cdot \:2}=-2
<span>So now we know our answer should be {1/2, -2}

</span>
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