Provide an appropriate response.If the trinomial 
is a perfect square, what can we conclude about the equation ax2 + bx + c = 0?
A. The equation has no real solutions.
B. The equation has two rational solutions.
C. The equation has one irrational solution.
D. The equation has one rational solution.
Answer: D
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Find the second derivative.y = 
- 7
A. 5x - 7
B. 
x
C. 
x2
D. 5x
Solve using the substitution method. If the system has an infinite number of solutions, use set-builder notation to write the solution set. If the system has no solution, state this.x + y = -3x + y = -7
A. (0, 0) B. No solution C. (-3, -7) D. (0, -10)
Solve using a proportion. Round your answer to the nearest hundredth when necessary.Jared found an old family photograph that was 9 inches wide and 6 inches high. He wanted a copy that was 1.75 inches less wide. What will the height of that reduced copy be? Round to the nearest tenth of an inch.
A. 7.4 inches B. 10.9 inches C. 4.8 inches D. 1.2 inches
The revenue (in dollars) realized by Apollo from the sale of its inkjet printers is given by
?
?
where x denotes the number of units manufactured each month. What is Apollo's revenue when 2,000 units are produced?
?
$__________
Fill in the blank(s) with the appropriate word(s).