Match the equation of the ellipse with the appropriate description. 
+ 4y2 = 6400
A. x-intercepts (2500, 0), (-2500, 0); y-intercepts (0, 89), (0, -89)
B. x-intercepts (50, 0), (-50, 0); y-intercepts (0, 40), (0, -40)
C. x-intercepts (40, 0), (-40, 0); y-intercepts (0, 50), (0, -50)
D. x-intercepts 
, 
; y-intercepts (0, 80), (0, -80)
Answer: B
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Which of the following is an example of the Zero Multiplication Property? ?
A.
?
B.
?
C.
?
D.
?
E.
?None of the above.
Simplify by combining like terms.9x + 2x
A. 11x B. 11 + x C. -7x D. 7x
Solve the problem.For a motorcycle traveling at speed v (in mph) when the brakes are applied, the distance d (in feet) required to stop the motorcycle may be approximated by the formula 
Find the instantaneous rate of change of distance with respect to velocity when the speed is 47 mph.
A. 11.4 mph B. 5.7 mph C. 4.7 mph D. 48 mph
Provide an appropriate response.Ben drove his car 506 kilometers in 7 hours while he was on vacation in Italy. He was trying to estimate how far he could drive in 5 hours the next day so he set up the following proportion: 
Explain why this proportion will not give him the correct answer.
What will be an ideal response?