Thursday

November 27, 2014

November 27, 2014

Posted by **Anonymous** on Sunday, April 24, 2011 at 5:42am.

-15x² + 2x + 13 = 0

What is the value of the discriminant?

- JAD -
**drwls**, Sunday, April 24, 2011 at 7:47amUsing the conventional formula

ax^2 + bx + c for the quadratic polynomial, the discriminant is b^2 -4ac.

In this case, that equals 4 - (-780)= 784. The discriminant is positive. There are two roots and both are real. The square root of the discriminant is 28.

The roots are (-1/30)(-2 +/-28)

= 1 and -13/15

**Answer this Question**

**Related Questions**

Algebra ...Please check this to see if I am corect - For the following equation...

algebra - For the following equation, state the value of the discriminant and ...

Math - For the following equation, state the value of the discriminant and then ...

Math 117 Algebra - for the following equation, state the value of the ...

College Algebra 2 - for the following equation state the value of the ...

Algebra - For the following equation, state the value of the discriminant and ...

Algebra - for the follwong equation, state the value of the discriminant and ...

algebra - For the following equation, state the value of the discriminant and ...

Communication - For the following, state the value of the discriminant and then ...

Algebra Problem - State the value of the discriminant and the number of real ...