Find the vertex of the parabola and determine if it is a maximum or minimum. y = 2x2 + 12x + 20
A. (-3, -2); maximum
B. (-3, 2); minimum
C. (-3, 2); maximum
D. (-3, -2); minimum
Answer: B
Mathematics
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Use the FOIL method to find the product. Express the product in descending powers of the variable.(x - 7)(x + 12)
A. x2 + 4x - 84 B. x2 - 84x + 5 C. x2 + 5x + 4 D. x2 + 5x - 84
Mathematics
Use roster notation to write the set.The natural-number multiples of 7 greater than 20 and less than 106
A. {28, 35, ..., 105} B. {20, 106} C. {21, 28, 35, ..., 105} D. {21, 35, ..., 105}
Mathematics
Use < or > for ? to write a true sentence.
? 
A. > B. <
Mathematics
Use the Change-of-Base Formula and a calculator to evaluate the logarithm. Round your answer to two decimal places.log5.1 260
A. 0.29 B. 50.98 C. 2.41 D. 3.41
Mathematics