Factor completely using the grouping method to factor trinomials. If unfactorable, indicate that the polynomial is prime.12y2 + 54y - 30
A. 6(2y + 1)(y - 5)
B. 6(2y - 1)(y + 5)
C. prime
D. (12y - 6)(y + 5)
Answer: B
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?A rectangle has an area of 18 cm. What is the perimeter if the length is 6 cm?
A. ?9 cm B. ?36 cm C. ?18 cm D. ?3 cm E. ?12 cm
Find the volume of the solid generated by revolving the region about the y-axis.The region enclosed by the triangle with vertices (3, 0), (3, 2), (5, 2)
A. ?
B. ?
C. ?
D. ?
Find all values that make the rational expression undefined. If the rational expression is defined for all real numbers, so state.
A. a = 8, a = 4 B. a = 8 C. a = -8 D. Defined for all real numbers
Find the regression line for the given data. Round to two decimal places, if necessary.
A. y = 0.95x + 3.07 B. y = 0.85x + 3.07 C. y = 0.75x + 4.07 D. y = 0.75x + 5.07