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abc = 2 x -5 x 0.5= -10 x 0.5= -20 / 2= -10
2d+10c= 2(-20) + 10(0.5)= - 40 + 5= -35

When writing numbers to two decimal places, we need to look at the third digit after the decimal place first. If it is 4 or under, then we can just finish the number after the second digit after the decim...

x = (-b ± √(b² - 4ac ))/2aa=1 b=4 c=6-4 ± √(4²- 4*6) = -2 ± √(4² - 12) = -4 ± √(16- 12) = -4 ± √4 = -4 ± 2x= (-4 ± 2)/2x₁= -4 + 2 / 2 = -2/2 = -1x₂= ...

the four suvat equations are:s=ut+0.5at²v²=u²+2asv=u+ats=0.5(u+v)ts=displacement u=initial velocity v=final velocity a=acceleration t=time for most suvat equations you wil...