Rewrite the expression without absolute value bars.
A. - 1
B. 
C. 0
D. 1
Answer: D
Mathematics
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Provide an appropriate response.Factor the special product: 9a2 - 49
A. (3a - 7)2 B. (3a + 7)2 C. (3a + 7)(3a - 7) D. (3a - 7)(3a - 7)
Mathematics
Add like terms, if possible, and write the result in descending powers of the variable.6z2 + 7z3
A. 7z3 + 6z2 B. 13z2 C. 13z5 D. 13z7
Mathematics
Find the zeros of the function. Give exact answers.f(x) = x2 - 8x + 20
A. 6, 2 B. 4 ± 2i C. -4 ± 2i D. 8 ± 4i
Mathematics
Simplify. Assume that no radicands were formed by raising negative quantities to even powers.
A. 28xy
B. 2x4y2
C. 2x2y
D. 4x2y
Mathematics