Me i promise to mark

2. what is the y intercept of the quadratic function f(x) =6x^2-3x+1 (
1 point)

a -3
b. 1/4
c. 1
d. 6

3. what is the axis of the symmetry of the quadratic function f(x) =4(x+9)^2-5 (1 point)

a. x=-9
b. x=9
c. x=-5
d. x=5

4. rewrite f(x)=3x^2 +6x-72 in factored form. (1 point)

a. f(x)=3(x-6)(x+4)
b. f(x)=3(x+6)(x-4)
c. f(x)=3(x-8)(x+3)
d. f(x)=3(x+8)(x-3)

5. rewrite f(x)=-2x^2+16x-11 in vertex form. (1 point)

a. f(x)=-2(x+4)^2+5
b. f(x)=-2(x-4)^2+5
c. f(x)=-2(x+4)^2+21
d. f(x)=-2(x-4)^2+21