Class 10

Math

All topics

Quadratic Equations

Identify the standard format of quadratic equation.

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The quadratic equation $ax_{2}+bx+c=0$, ($a=0$) has atmost _____ roots.

Let the quadratic equation $(c−5)x_{2}−2cx+c−4=0$ has one root in $(0,2)$ and other root in $(2,3)$ then find the number of intergral values of c in solution set (a) $18$ (b) $12$ (c) $11$ (d) $10$

Which of the following is non-quadratic polynomial.

is the following equation quadratic?$x_{2}+2x+11=0$

If $a−b=5$ and $a_{2}+b_{2}=53$, find the value of $ab$.

$5,5r,5r_{2}$are sides of a triangle. Which value of r cannot be possible (a) $3/2$ (b) $5/4$ (c) $3/4$ (d) $7/4$