Solve the problem.Select the equation that describes the graph shown.
A. y = -2x2
B. y = -x2
C. y = - 
x2
D. y = 2x2
Answer: A
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Using the factoring method, solve for the roots of the quadratic equation.9x2 - 8x = 8x2 + 1x
A. x = 0, x = - 
B. x = 0, x = 
C. x = 0, x = 9
D. x = 9
An executive invests $39,000, some at 7% and some at 6% annual interest. If he receives an annual return of $2,530, how much is invested at each rate? ? Amount at 7%: $ __________ ? Amount at 6%: $ __________
What will be an ideal response?
Use Newton’s method to obtain an approximation to the root of 
to within 0.00001.
a. 0.62821 b. 0.48918 c. 0.56127 d. 0.51493
The table shows the fraction of the world's surface land area taken up by each continent. Use the table to answer the question. Write your answer in simplest form. Continent Fraction of World's Surface Land Area North America src="https://sciemce.com/media/4/ppg__tttt0706191116__f1q148g5.jpg" style="vertical-align: -17.0px;" /> Australia 
South America 
Europe 
Africa 
Asia 
Antarctica 
How much greater is the fractional part of the continent of Asia than the fractional part of the continent of North America?
A. 
B. 
C. 
D. 