Complete the square for the binomial. Then factor the resulting perfect square trinomial.x2 + 
x
A. 
; x2 + 
x + 
= 
2
B. 144; x2 + 
x + 144 = (x +12)2
C. 
; x2 + 
x + 
= 
2
D. 
; x2 + 
x + 
= 
2
Answer: C
Mathematics
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Write the expression in the standard form a + bi.
4
A. - 
+ 
i
B. - 
- 
i
C. - 
- 
i
D. - 
+ 
i
Mathematics
Use front-end rounding to round each number. Then, add or subtract the rounded numbers to get an estimated answer. Finally, find the exact answer.estimate exact
A. Estimate: 13.7; exact: 13.7722 B. Estimate: 13.6; exact: 13.7722 C. Estimate: 13.6; exact: 13.6821 D. Estimate: 13.7; exact: 13.7821
Mathematics
Simplify.-1(x + 5)
A. -x + 5 B. x + 5 C. x - 5 D. -x - 5
Mathematics
Using the figure below, sketch a graph of the given vector. [The graphs in the answer choices are drawn to the same scale as the graph below.]
a. 
b. 
c. 
d. 
e. none of these
Mathematics