Decide what number must be added to the binomial to make a perfect square trinomial.x2 + 8x
A. 8
B. 16
C. 4
D. 32
Answer: B
Mathematics
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Fill in the blank with one of the words or phrases listed below.
The LCM of the denominators in a list of fractions is called the 
.
A. prime number B. composite number C. least common denominator D. numerator
Mathematics
Find the center and radius of the circle whose graph is shown. Write the standard form of the equation of the circle.
A. r = 
; (h, k) = (3, -1); (x + 3)2 + (y - 1)2 = 3
B. r = 3; (h, k) = (3, -1); (x - 3)2 + (y + 1)2 = 9
C. r = 
; (h, k) = (3, -1); (x - 3)2 + (y + 1)2 = 3
D. r = 3; (h, k) = (3, -1); (x + 3)2 + (y - 1)2 = 9
Mathematics
Find the value of x that satisfies the equation.-4.8 + x = 12
A. x = 6.7 B. x = 16.8 C. x = 7.2 D. x = 16.3
Mathematics
Solve the system using Gauss-Jordan elimination.
 figure 1.png)
Mathematics