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Converting Quadratics from Standard Form into Vertex Form
Practice Problem Set
Convert the following quadratic equations into vertex form. Then identify the vertex.
1.
x² – 18x – 4 = 0

Jessica and martha each have a bag of cookies with unequal quantities. they have 30 cookies total between the two of them. each of them ate 6 cookies from their bag. the product of the number of cookies left in each bag is not more than 80. how many more cookies will jessica have martha? if x represents the number of cookies jessica started with, complete the statements below.the inequality that describes the relationship between the number of cookies each one of them has is x^2 - x +224 > = 0.jessica has at least cookies more than martha.

Lindsay used two points, (x,y; ) and (+2.82), to find the equation of the line, y = mx + b, that passes through the points. y2-y, first, she used the definition of slope and determined that the value of mis x, - . given this information, which expression must represent the value of b?

65% of students in your school participate in at least one after school activity. if there are 980 students in you school, how many do not participate in an after school activity?