Inequalities Friday, 22 February 2019

Inequalities x > a Means x is greater than a x < b Means x is less than b x  a Means x is greater than or equal to a x  a Means x is less than or equal to a a < x < b Means x lies between a and b

Solving Inequalities Example Solve each of the following inequalities a) 3𝑥−1≤5 b) 4𝑥+7>3 c) 2𝑥−5≥10 d) 4𝑥−1<2 e) 5𝑦+6≥8

Example Solve each of the following inequalities b) 3𝑥−2<10 c) 9 𝑥+2 >63 d) 9𝑥+3≤7𝑥+27 e) 7𝑥−2>4𝑥+10 f) 6𝑥+7≥𝑥+32 g) 3 2𝑥−3 <2 2𝑥+5 h) 4 𝑥−3 <3 10−𝑥

Example Solve each of the following inequalities b) 𝑥 2 >36 c) 𝑥 2 −81≥0