Problem

the mathematical sentences below to answer the questions that $01lo8y$
$2x^{2}+7s+5>0$ $15-6h^{2}=10$ $r^{2}+10r\leq -16$ $4x^{2}-25=0$ $3w^{2}+12w\geq $ $m^{2}=6m-7$
$x^{2}+9x+20$ $=0$ $2t^{2}<21-9t$
$tions$
$1$ Which of the given mathematical sentences are quadratic equations?
Ans.
$2$ How do you describe quadratic equations?
Ans.
$3$ Which of the given mathematical sentences are not quadratic equations? Why?
Ans.
$4$ How would you describe those mathematical sentences which are not quadratic equ
$4$ Ans.
How are they different from those equations which are quadratic?
$A$ Ans.

7th-9th grade

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Solution

Qanda teacher - varsha

this is how to do it

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