 |
|
|
|
|
|
|
|
|
A quadratic with no real roots |
2013-07-15 |
|
Pranav pose la question :
If ax^2+bx-5=0 has no real roots. Then d sign of 1) a+b-5
2) (25a-5b-5)(4a+2b-5) will be what ??
Penny Nom lui répond. |
|
|
|
|
|
|
How many times does the graph of y=2xsquared -2x + 3 intersect the x-axis? |
2009-05-27 |
|
Henry pose la question :
how many times does the graph of y=2xsquared -2x + 3 intersect the x-axis?
Penny Nom lui répond. |
|
|
|
|
|
|
The positive real zeros of f(x) = x^4 + x^3 - 7x - 1 |
2008-06-06 |
|
CiCi pose la question :
How many positive real zeros does the function f(x) = x4 + x3 - 7x - 1 have?
Janice Cotcher and Harley Weston lui répond. |
|
|
|
|
|
|
Complex Roots |
2000-01-24 |
|
Jess Rutherford pose la question :
How do I find the value of k when 5x2 + k = 3x and has complex roots ?
Penny Nom lui répond. |
|
|
