Question

If $a+b+c<0$ and $ax^2+bx+c=0$ has no real roots, is it true that $c$ must be less than $0$?

score 176 · Answer 1 · 2018-03-10 01:53:34

If $a+b+c<0$ and $ax^2+bx+c=0$ has no real roots, is it true that $c$ must be less than $0$?

Published on 10 Mar 2018 - 1:53

score 39 · Answer 2 · 2018-03-10 11:30:12

If $x \in (-\infty, \infty)$ & $y \in (-1,1)$ , then $x^2 \frac{\partial^2u}{\partial x^2}+(1-y^2)\frac{\partial^2u}{\partial y^2}=0$ represents?

score 210 · Answer 3 · 2018-03-10 20:51:00

210

Views

Finding the minimal distance between a parabola and a point without using calculus

Published on 10 Mar 2018 - 20:51

score 152 · Answer 4 · 2018-03-11 15:27:30

152

Views

Finding the points common to a hyperbola and straight line

Published on 11 Mar 2018 - 15:27

score 661 · Answer 5 · 2018-03-11 22:23:23

661

Views

Find standard matrix of linear transformation for circle

Published on 11 Mar 2018 - 22:23

score 2k · Answer 6 · 2018-03-12 05:00:55

2k

Views

Hyperbola with Perpendicular Asymptotes

Published on 12 Mar 2018 - 5:00

score 261 · Answer 7 · 2026-03-24 23:44:48

261

Views

Mathematical function for a gradually falling parabolic curve in 1st quadrant

Published on 24 Mar 2026 - 23:44

score 53 · Answer 8 · 2018-03-13 20:40:58

53

Views

what is the solution to this equation

Published on 13 Mar 2018 - 20:40

score 47 · Answer 9 · 2026-03-24 23:42:40

47

Views

Can this be done with Stokes' Theorem? (Exercise)

Published on 24 Mar 2026 - 23:42

score 105 · Answer 10 · 2026-03-19 14:14:18

105

Views

Find Latitude x miles north of starting latitude using ellipsoid earth model

Published on 19 Mar 2026 - 14:14

score 47 · Answer 11 · 2026-03-24 23:45:46

47

Views

Can this parabolic equation be reduced to describe a periodic waveform

Published on 24 Mar 2026 - 23:45

score 114 · Answer 12 · 2018-03-16 19:03:32

114

Views

Conics property proof

Published on 16 Mar 2018 - 19:03

score 723 · Answer 13 · 2018-03-17 06:35:42

723

Views

Two Touching Ellipses - Tangents, Centres and Collinearity

Published on 17 Mar 2018 - 6:35

score 457 · Answer 14 · 2018-03-17 09:49:15

457

Views

Question about tangent conics

Published on 17 Mar 2018 - 9:49

score 730 · Answer 15 · 2018-03-17 17:25:42

730

Views

Equation of auxiliary circle of ellipse $2x^2+6xy+5y^2=1$

Published on 17 Mar 2018 - 17:25

List Question

If $a+b+c<0$ and $ax^2+bx+c=0$ has no real roots, is it true that $c$ must be less than $0$?

If $x \in (-\infty, \infty)$ & $y \in (-1,1)$ , then $x^2 \frac{\partial^2u}{\partial x^2}+(1-y^2)\frac{\partial^2u}{\partial y^2}=0$ represents?

Finding the minimal distance between a parabola and a point without using calculus

Finding the points common to a hyperbola and straight line

Find standard matrix of linear transformation for circle

Hyperbola with Perpendicular Asymptotes

Mathematical function for a gradually falling parabolic curve in 1st quadrant

what is the solution to this equation

Can this be done with Stokes' Theorem? (Exercise)

Find Latitude x miles north of starting latitude using ellipsoid earth model

Can this parabolic equation be reduced to describe a periodic waveform

Conics property proof

Two Touching Ellipses - Tangents, Centres and Collinearity

Question about tangent conics

Equation of auxiliary circle of ellipse $2x^2+6xy+5y^2=1$

Trending Questions

Popular # Hahtags

Popular Questions