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(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

Public Comments

1. 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