Which of these polynomial equations is of least degree and has -1, 2, and 4 as three of its roots?

a) 5x^2 + 2x + 8 = 0
b) (x + 2)(x - 1)(x + 4) = 0
c) x^3 - 5x2 + 2x + 8 = 0
d) x^4 - x^3 - 5x^2 + 2x + 8 = 0

Select the correct answer from the drop-down menu. this graph represents the inequality x+2< 4,2x> 3,x+6< 12,2x> 12

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Guys i need ! graded assignment grade 8 checkpoint 2, part 2 answer the questions below. when you are finished, submit this assignment to your teacher by the due date for full credit. total score: of 9 points (score for question 1: of 4 points) 1. the cost of renting a car for a day is $0.50 per mile plus a $15 flat fee. (a) write an equation to represent this relationship. let x be the number of miles driven and y be the total cost for the day. (b) what does the graph of this equation form on a coordinate plane? explain. (c) what is the slope and the y-intercept of the graph of the relationship? explain.