Complete the square to write the equation in the form 
+ 
= 1 or 
+ 
= 1.25x2 + 4y2 - 16y - 84 = 0
A. 
+ 
= 1
B. 
+ 
= 1
C. 
+ 
= 1
D. 
+ 
= 1
Answer: D
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Let U = {21, 22, 23, ..., 40}, A = {21, 22, 23, 24, 25}, 
and 
Use the roster method to write the following set.A'
A. A' = {26, 27, 28, . . . , 40} B. A' = {21, 22, 23, . . . , 40} C. A' = {26, 28, 30, . . . , 40} D. A' = {27, 29, 31, . . . , 39}
Find the domain and range.{(-9,-9), (1,-8), (12,1), (8,-7)}
A. domain = {1, -9, 8, 12}; range = {-8, -8, -9, -7, 1} B. domain = {1, -9, 8, 12}; range = {-8, -9, -7, 1} C. domain = {-8, -9, -7, 1}; range = {1, -9, 8, 12} D. domain = {1, -9, 8, 12}; range = {-8, 9, -9, -7, 1}
Find the zeros of the polynomial function and state the multiplicity of each.f(x) = 5x(x - 7)3 (x2 - 16)
A. ±4 (multiplicity 1), 7 (multiplicity 3) B. 0 (multiplicity 1), ±4 (multiplicity 2), -7 (multiplicity 3) C. 0 (multiplicity 1), ±4 (multiplicity 1), 7 (multiplicity 3) D. 0 (multiplicity 1), - 16 (multiplicity 2), 7 (multiplicity 3)
Solve the inequality. Give answer in interval notation.(x + 6)(x2 - 25) > 0
A. (-6, 5) B. (-?, -5) ? (5, ?) C. (-6, -5) ? (5, ?) D. (-?, 5) ? (5, 6)