(HELP ME)use the quadratic formula to solve the following equations?

1)4x^2-2x-2=0

a) 1,-1/2 b)2,-1 c)1/2,-1 d)19/4,17/4



2)3x^2-7x-7=0

a)6/7+or- square root 226/6 b)7/6+or - square root 66/2

c)7/6 + or - square root 133/6 d)7/3+or- square root 133/3





*use synthetic division to find P(1) for P(x)=x^4-5x^3-3x^2-10x+2*

a)1 b)17 c)-15



*solve the quadratic equation by completing the square*

1)x^2+12x+31=0

a)-6+or- square root 5 b)-12+or-square root 41

c)144+or-square root 5 d)6+or-square root41



2)3x^2+7x=7

a)7/6+or-square root 28/6 b)-7/3+or-square root 91/3

c)7/6+or-square root 133/3 d)7/3+or-square root 133/3



*A land scape is designing a flower garden in the shape of a trapezoid. She wants the length of the shoter base to be 3 yards greater than the height, and the lenght of the longer base to be 5 yards greater than the height. For what height will the garden have an area of 270 square yards? round to the nearest tenth of a yard.

a)132.4yards b)29.1yards c)34.1yards d)14.6yards

(HELP ME)use the quadratic formula to solve the following equations?
the quadratic formula is -b+or- square root(b^2-4ac)

all divided by 2a

a is the coefficient of x^2, b is the coefficient of x, and c is just the number in the equation

solve it