Provide an appropriate response.Explain in your own words how you can tell from the equation whether a parabola opens up or down or whether it opens left or right.
What will be an ideal response?
The parabola opens up or down if there is an x2-term (y is not squared). It opens left or right if there is a y2-term (x is not squared).
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Solve the problem.A long-distance runner runs 2 miles south and then 4 miles east. How far is the runner from the starting point? Round to nearest tenth. 
A. 1.1 mi B. 1.5 mi C. 4.5 mi D. 2.5 mi
If a square with side length 1 unit and a circle with circumference 1 unit are drawn on top of each other, will the square be inside or outside the circle? Explain.
What will be an ideal response?
?The demand function for a product is modeled by 
. Find the price of the product if the quantity demanded is 
. Round your answer to two decimal places where applicable.
A. ?$158.51 B. ?$2,468.78 C. ?$531.22 D. ?$2,478.98 E. ?$541.52
The measurement is 8.80 m. Find the precision and the greatest possible error of the measurement.
A. The precision of the measurement is 0.001 m. The greatest possible error of the measurement is 0.0005 m. B. The precision of the measurement is 0.00001 m. The greatest possible error of the measurement is 0.00005 m. C. The precision of the measurement is 0.00001 m. The greatest possible error of the measurement is 0.000005 m. D. The precision of the measurement is 0.0001 m. The greatest possible error of the measurement is 0.00005 m. E. The precision of the measurement is 0.0001 m. The greatest possible error of the measurement is 0.0005 m.