2(x+3)=18
82% of 2400
82% of 1500
6r-1+6r=11
Use three-digit arithmetic to evaluate 𝑓(𝑥) = 𝑥3 − 6.1𝑥2 + 3.2𝑥 + 1.5 at 𝑥 = 4.71 using
(i) rounding and (ii) chopping.
𝑓(𝑥) = 𝑥3 − 6.1𝑥2 + 3.2𝑥 + 1.5 at 𝑥 = 4.71
2800 x 82%
2x^2-5xy-3y^2-14y-8
2x^2+xy-y^2+3x+1
solution of 800/0.5