Recent questions tagged quadratic-equations

8 8 votes
3 answers 3 answers
731
731 views
The three roots of the equation $f(x) = 0$ are $x = {−2, 0, 3}.$ What are the three values of $ x $ for which $f(x − 3) = 0?$$−5 , −3 , 0 $ $−2 , 0 , 3$$0 , 6 ,...
0 0 votes
0 0 answers
339
339 views
The number of roots of $e^{x}+0.5x^{2}-2=0$ in the range $[-5, 5]$ is$0$$1$$2$$3$
0 0 votes
0 0 answers
331
331 views
The set of values of $p$ for which the roots of the equation $3x^2+2x+p(p-1)=0$ are of opposite sign is$(-\infty ,0)$$(0,1)$$(1,\infty )$$(0,\infty )$
0 0 votes
0 0 answers
367
367 views
The roots of $ax^{2}+ bx + c = 0$ are real and positive. $a, b$ and $c$ are real. Then $ ax^2 + b \mid x \mid + c = 0$ hasno roots$2$ real roots$3$ real roots$4$ real ...
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