What is the discriminant of the polynomial below 4x2+4x+1? a. 32 b. -4 c. 0 d. -12

Im gonna fail 7th grade selective breeding 1. creates offspring which are genetically identical to the parent 2. is the process of breeding only organisms with desirable traits 3. involves the removal of the nucleus of a cell 4. combines traits from organisms of different species

Find an equation of the line perpendicular to the graph of 28x-7y=9 that passes through the point at (4,1)

What is the answer to this question? i'm a bit stumped. also how do i do it? 5(x - 4) = 2(x + 5)