Question Number 89816 by peter frank last updated on 19/Apr/20
Commented by mr W last updated on 19/Apr/20
$${what}\:{do}\:{you}\:{mean}\:{with}\:{t}_{\mathrm{1}} ,\:{t}_{\mathrm{2}} ,\:{t}_{\mathrm{3}} ? \\ $$$${you}\:{said}\:{they}\:{are}\:{three}\:{points},\:{but} \\ $$$${what}\:{is}\:{the}\:{sum}\:{of}\:{three}\:{points}? \\ $$$${maybe}\:{you}\:{mean}\:{t}_{\mathrm{1}} ,\:{t}_{\mathrm{2}} ,\:{t}_{\mathrm{3}} \:{are}\:{the} \\ $$$${x}−{coordinates}\:{of}\:{the}\:{three}\:{points}. \\ $$
Commented by peter frank last updated on 19/Apr/20
$${yes}\:{coordinate} \\ $$
Commented by ajfour last updated on 19/Apr/20
$${y}^{\mathrm{2}} =\mathrm{4}{ax} \\ $$$${Then}\:\:{with}\:{parameter}\:\boldsymbol{{t}} \\ $$$$\:\:\:{x}={at}^{\mathrm{2}} \:\:,\:\:{y}=\mathrm{2}{at}\: \\ $$