Adealership purchase a four door sedan for $17000 and then sold it at a 15% markup. the dealership paid the buyer $4000 for the trade in which was sold the following week at 25% markup. what was the dealerships profit on these two vehicles?

15% markup on $17,000 = 17000*.15=$2550
25% markup on $4,000 = 4000*.25 = $1000

now just add the two markups.

Answer to your question: a. the fundamental theorem of algebra tells you that the equation will have two complex roots since the degree of the polynomial is 2. the roots are ​ x=1±i7√2 .number of roots=degree of polynomialhere, degree of polynomial is 2 so number of roots will be 2.hope it *_*