SOLUTION: determine what type of number the solutions are and how many solutions exist {{{ 10x^2-x-2=0 }}}

Question 366982: determine what type of number the solutions are and how many solutions exist

Found 2 solutions by robertb, stanbon:
Answer by robertb(5830) (Show Source): You can put this solution on YOUR website!
Evaluate the discriminant , hence the roots are two distinct real numbers. Also note that
Answer by stanbon(75887) (Show Source): You can put this solution on YOUR website!
10x^2-x-2=0
a = 10, b = -1, c = -2
------------------------
b^2-4ac = 100-4*10*-2 = 180
---
Since b^2-4ac > 0 there are
2 Real Number solutions.
================
Cheers,
Stan H.
RELATED QUESTIONS
Determine what type of number the solutions to the equation 4x^2+7x=0 are, and how many... (answered by checkley77)
Determine the type of number that the solutions of x^2+ 4x+12=0 will be and how many... (answered by josgarithmetic)
compute the discriminant. Then, determine the number and type of solutions for the given... (answered by nerdybill)
for each equation, determine what type of number the solutions are and how many solutions (answered by ReadingBoosters,josmiceli)
For each of the following equations use the discriminant to determine what type of number (answered by vleith)
Determine the type and number of solutions for x^2 + 6x +9 =... (answered by ewatrrr)
Determine how many and the type of number (rational, irrational, imaginary, complex... (answered by josgarithmetic)
Compute the discriminate. Determine the number and the type of solutions for the given... (answered by Nikki456)
How many and what type of solutions does the equation have? �4x^2 � 2 = 10x A. no real... (answered by fractalier)