create your own quadratic equation that has an axis of symmetry of x = 2 and whose graph open down. Then find the vertex, domain, and range and x-intercepts. show all work to receive full credit @uri @Opcode @ganeshie8 @.Sam.

Question

create your own quadratic equation that has an axis of symmetry of x = 2 and whose graph open down. Then find the vertex, domain, and range and x-intercepts. show all work to receive full credit @uri @Opcode  @ganeshie8  @.Sam.

anonymous · Answer

I got -2x^2 + 8x +5 is that right @uri  @Opcode  @ganeshie8  @.Sam.

campbell_st · Answer

well that opens down and has an axis of symmetry at x = 2

to check use   x = -b/2a      or x   = -8/(2*-2)

so to find the vertex, subsitute the line of symmetry value, x = 2, into the equation to find y