Q1 Q1 - Simple tangents and normals 0 Find the equations of the tangents a to the curves at the given points. 0 y=4x2+6 Q2 0 o y=ZxZ-5x 9 Find the equations of the normals to the curves at the given points. a y=(x2)2 4 0 3'7 at x=1 at x=2 at x=3 at x=-2 Write the xterm first. y = [2] y = [2] Write your answers in theformax+by+c= 0 = 0 [2] = 0 [2] Q1 0 8 y Q2 0 9 Total Q2 - Longer question Factorise y=x2+3x4. y=( Where does the curve y=x2+3x4 cross the positive x axis? point . dy dy Flnd a - dx Find the value of the gradient where the curve crosses the positive x axis. gradient Work out the equation of the normal at this point. 0 )( ) Write your answer in the form ax+by+c=0. [2] [2] [2] [1] [2]