Find the term that should be added to the expression to form a perfect square trinomial. Write the resulting perfect square trinomial in factored form.x2 - 2x +
A. 1; 
2
B. 1; 
2
C. 1; 
2
D. 0; 
2
Answer: C
Mathematics
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Graph the inequality on a number line. Then write the solution using interval notation.-4.5 ? x
A. (-4.5, ?)
B. (-?, -4.5]
C. [-4.5, ?)
D. (?, -4.5)
Mathematics
Perform the indicated operations.
A. 
B. 
C. 4
D. 
Mathematics
Solve the problem.The price for a product is given by p = 4050 - 0.5x2, where x is the number of units sold. How many units must be sold to give positive revenue?
A. 0 units < x < 45 units B. x > 90 units C. 0 units < x < 90 units D. x < 8100 units
Mathematics
Use the given conditions to find an equation in slope-intercept form of each of the nonvertical lines. Write vertical lines in the form x = h.Parallel to -7x + 2y = -33; passing through (7, 11)
A. y = 
x - 
B. y = 
x - 
C. y = - 
x - 
D. y = - 
x + 
Mathematics