8.3 Standard Form

How many irrational numbers are between 1 and 6?

 A typical high school student consumes 67.5 pounds of sugar per year. As part of a new nutrition plan, each member of a track team plans to lower the sugar he or she consumes by at least 20% for the coming year. Assuming each track member has consumed sugar at the level of a typical high school student and will adhere to this plan for the coming year, what is the maximum number of pounds of sugar to be consumed by each track team member in the coming year?

 The lead of a screw is the distance that the screw advances in a straight line when the screw is turned 1 complete turn. If a screw is $$2\frac{1}{2}$$ inches long and has a lead of $$\frac{1}{8}$$ inch, how many complete turns would get it all the way into a piece of wood?

 What is x, the second term in the geometric series $$\frac{1}{4}+x+\frac{1}{36}+\frac{1}{108}+...$$ ?

(Note: In a geometric series the ratio of any term to the following term is constant).

 Which of the following statements must be true whenever n, a, b, and c are positive integers such that n<a, c>a, and b>c?

Which of the following is the equation for the axis of symmetry line?

What is the axis of symmetry of the quadratic equation $$y=3x^2-6x+5$$ ?

What is the vertex of the quadratic equation $$y=3x^2-6x+5$$ ?

Describe the transformation of the quadratic equation $$y=3x^2-6x+5$$ .

What is the y-intercept of the quadratic equation $$y=3x^2-6x+5$$ ?