Question

What is the line of symmetry for the parabola whose equation is y = 3x2 + 24x - 1?

Answer 1

for y = ax^2 +bx+c
line of symmetry = -b/(2a)

Answer 2

thank you

Answer 3

yw

Answer 4

i have answer choises

Answer 5

x = -8
x = -6
x = -4

Answer 6

compare your equation with the general form and you'll be able to see the values of a,b and c

y = ax^2 + bx + c

y = 3x^2 + 24x - 1

Answer 7

can you see what a and b are?

Answer 8

no... :(

Answer 9

what number lies directly below a ?