Quadratic: ax^2+bx+c
a=1
roots=-4,2
=(x-(-4))(x-2)
=(x+4)(x-2)
=x^2+4x-2x-8
=x^2+2x-8
Answer:
a. 0 solutions b. infinite
Step-by-step explanation:
a. the two lines don't pass through each other therefore there is no solution b. the two lines are on top of each other ;) therefore there are infinite solutions.
Answer:
x+12 x-15 x-8 x-30 x+15
Step-by-step explanation:
(total cost) = (cost to tend a boat) + (price per person)*(number of people)
(total cost) = C
(cost to tend a boat) = 10
(price per person) = 2
(number of people) = p
C = 10 + 2p
or
C = 2p + 10
Answer 1/5, 0.2 repeating, and 25%
