Factor the polynomial by grouping.2x3 + 13x2 + 15x
A. 2x(x + 5)(x + 3)
B. x(x + 5)(2x + 3)
C. x(2x + 5)(x + 3)
D. prime
Answer: B
Mathematics
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A. function B. not a function
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The equation has a solution r in the interval indicated. Approximate this solution correct to two decimal places.x4 - x3 - 7x2 + 5x + 10 = 0; -3 ? r ? -2
Fill in the blank(s) with the appropriate word(s).
Mathematics
?Find the distance between the points. Round to the nearest hundredth, if necessary. ? (-8, -8), (-1, 9) ?
A. ?19.24 B. ?7.07 C. ?18.38 D. ?10 E. ?9.06
Mathematics
Find A-1, if it exists.A = 
A. Does not exist
B. 
C. 
D. 
Mathematics