Algebra Examples

$2 x^{2} + 3 x - 2 = 0$

Step 1

Find $a$ , $b$ , and $c$ .

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Step 1.1

Once the quadratic is in standard form, the values of $a$ , $b$ , and $c$ can be found.

$a x^{2} + b x + c$

Step 1.2

Use the standard form of the equation to find $a$ , $b$ , and $c$ for this quadratic.

$a = 2$ , $b = 3$ , $c = - 2$

Step 2

Substitute the values into the sum of roots formula $- \frac{b}{a}$ .

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Step 2.1

Move the negative in front of the fraction.

$- \frac{3}{2}$

Step 3

Substitute the values into the product of roots formula $\frac{c}{a}$ .

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Step 3.1

Divide $- 2$ by $2$ .

$- 1$

Step 4

List the results.

Sum of the roots is $- \frac{3}{2}$

Product of the roots is $- 1$