Find the x-intercept(s) of the graph of the equation. Graph the equation.y = x2 + 4x - 7
A. x-intercepts: -4 and 3
B. x-intercepts: none
C. x-intercepts: -2 ± 
D. x-intercept: 4
Answer: C
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Solve the problem.A person burns 8.2 calories per minute while walking. One must burn about 3500 calories in order to lose 1 lb. How many pounds would the person lose by walking for 5 hours? Round to the nearest hundredth.
A. 0.70 lb B. 0.49 lb C. 7.03 lb D. 0.01 lb
Use the pictograph to answer the question.This pictograph shows projected sales of compact disks (CDs) for a popular rock band for seven consecutive years. 
? = 100,000 CDsApproximately how many fewer CDs will be sold in 2008 than in 2010?
A. 600,000 CDs B. 500,000 CDs C. 4 CDs D. 400,000 CDs
Find the slope of the line containing the two given points.
and 
A. 
B. 0
C. 1
D. -1
Find a polynomial of degree 3 with constant coefficient -18 and zeros -1, -2, and 3.
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