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 - 7x
A. 
; 
2
B. 49; 
2
C. 0; 
2
D. 
; 
2
Answer: A
Mathematics
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Evaluate the expression.
? 
A. 
B. 
C. 
D. 
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Remove grouping symbols and simplify.5c + 3(4c - 6) - 4(4c - 6) + 3c - 3
A. -16c + 3 B. 4c + 3 C. 4c - 15 D. -16c - 15
Mathematics
Solve the problem.Find the length of the unknown side of the right triangle, where a and b are the legs and c is the hypotenuse. a = 6, b = ?, c = 10
A. b = 10 B. b = 8 C. b = 7 D. b = 9
Mathematics
Solve the equation using the square root property.(x - 2)2 = 49
A. {9, -5} B. {7, -7} C. {51} D. {-5, -9}
Mathematics