equations 0.0 / 5 ? Mathematicsequation of a straight line, area, speed distance and time, percentage increase/decrease, quadratic equationGCSEEdexcel Created by: Charlotte21Created on: 10-06-17 10:40 Equation of a straight line y=mx+c 1 of 10 area of a rectangle length*width 2 of 10 area of a triangle base*height/ 2 3 of 10 area of a parralelogram base*height 4 of 10 area of a trapezium 1/2(a+b)*h 5 of 10 area of a circle 3.142*r squared 6 of 10 how do you calculate speed speed=distance/time 7 of 10 how do you find percentage increase? percentage increase=actual increase/original value*100 8 of 10 how do you find percentage decrease? percentage decrease=actual decrease/original value*100 9 of 10 quadratic equation x=-b + or - square root (b squared- 4ac) / 2a 10 of 10
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