[填空题]
The graph of a quadratic function has a y-intercept at A(0,24) and ou lzrqyxy. gdhb;66f2q87/w lne of its x-qwyulqh8 f6.gx db27/ ;lzr y6 l(*x;y-cku*.5abk * y +j nq*bwyquwi3lfxo:intercepts is B(2,0-yalu5*oub ; **wnky*+y (qx j . w3bxf:kicql).
The x-coordinate of the vertex of the graph is 4.
The equation of the quadratic function is in the form y=a$x^2$+bx+c.
1.Write down the value of c. c =
2.Find the value of a and the value of b. b =
3.Write down the coordinates of the second x-intercept of the function.
(a,b) a = b =
