Solve each inequality, showing your working clearly. Use a sign table or number line where appropriate.

$2x^2-7x+3\le0$.
$3x^2+5x-2\ge0$.
$6x^2-x-2<0$.

Question

Solve each inequality, showing your working clearly. Use a sign table or number line where appropriate. $2x^2-7x+3\le0$. $3x^2+5x-2\ge0$. $6x^2-x-2<0$.

Accepted Answer

(a) $\frac12\le x\le3$ (b) $x\le-2$ or $x\ge\frac13$ (c) $-\frac12<x<\frac23$

Quadratic Functions, Equations and Inequalities

Quadratic Functions, Equations and Inequalities

Solution:

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