Add the polynomials. Express your answer in standard form.(7x2 - 8x - 4) + (6x2 - 8x + 7)
A. 42x2 - 8x + 3
B. 13x4 - 16x2 + 3
C. 13x2 - 16x + 3
D. 13x2 - 8x + 3
Answer: C
Mathematics
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Multiply. Express the product in lowest terms.
? 
A. 
B. 14z
C. 
D. 
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Write the series using summation notation.1 + 
+ 
+ 
+ 
A. 
)
B. 
C. 
)
D. 
)
Mathematics
Determine between which two consecutive whole numbers each square root lies.
A. 4 and 5 B. 8 and 9 C. 3 and 4 D. 5 and 6
Mathematics
If possible, factor the polynomial completely. If a polynomial cannot be factored, state that it is prime.8y2 + 36y - 20
A. (8y - 4)(y + 5) B. 8x2 - 36x - 20 C. 4(2y - 1)(y + 5) D. 4(2y + 1)(y - 5)
Mathematics