Use the ac method to factor the trinomial, or state that the trinomial is prime.15x2 - 26xy + 8y2
A. (3x - 4y)(5x - 2y)
B. prime
C. (15x + 4y)(x + 2y)
D. (3x + 4y)(5x + 2y)
Answer: A
Mathematics
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Differentiate the function.r(t) = (cot t)i + (csc t)j
A. r'(t) = (sec2 t)i + (tan t sec t)j B. r'(t) = (-csc2 t)i - (cot t csc t)j C. r'(t) = (-sec2 t)i - (tan t sec t)j D. r'(t) = (csc2 t)i + (cot t csc t)j
Mathematics
Solve the equation.(y - 7) - (y + 2) = 4y
A. - 
B. - 
C. - 
D. - 
Mathematics
Use radical notation to rewrite the expression. Simplify, if possible.(2xy3)1/4
A. 
B. 
C. y
D. 
Mathematics
Find the determinant.det 
A. -90 B. 86 C. 90 D. 36
Mathematics