Use the discriminant to determine if the given equation can be solved by factoring. If it can be solved by factoring, find the factors.d2 + 6d - 6 = 0
A. (d - 6)(d - 1)
B. (d - 2.4)2
C. Cannot be solved by factoring
D. (d - 7)(d + 5)
Answer: C
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Sometimes the data is divided into "Intervals" when the number of items becomes large. Why is this done?
a. To show information to give different results. b. To be able to handle a larger number of data without becoming unwieldy. c. To be able to spread the data out to see each entry individually. d. To be able to get uniform representation of each piece of data.
Answer the question asked. When necessary, round to the nearest hundredth.A car travels 400 miles on level terrain in the same amount of time it travels 160 miles on mountainous terrain. If the rate of the car is 30 miles per hour less in the mountains than on level ground, find its rate in the mountains.
A. 50 mph B. 80 mph C. 40 mph D. 20 mph
Use the Change-of-Base Formula and a calculator to evaluate the logarithm. Round your answer to three decimal places. log6.963
A. 2.145 B. 1.799 C. 9.130 D. 0.466
Eliminate the parameter t in the following:
?
?
A. 
B. 
C. 
D. 
E. 