Find the real or imaginary solutions by using the quadratic formula.x2 - x = 30
A. {-5, 6}
B. {1, 30}
C. {5, 6}
D. {-5, -6}
Answer: A
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Write the word name for the number.4,200,091
A. Forty-two thousand, ninety-one B. Four million, twenty thousand, ninety-one C. Four million, two hundred thousand, ninety-one D. Four million, two hundred ninety-one
Write a fraction to represent the shaded part of the figure.
A. 
B. 
C. 
D. 
Evaluate.(25 x10) -1/2
A. 
B. 
C. 
D. - 5x5
Solve the problem.The area S of a square with edge length a inches is S = S(a) = a2.a. Find the average rate of change of the area S as the edge length a changes from a = 7 to a = 7.1.b. Find the average rate of change of the area S as the edge length a changes from a = 7 to a = 7.01.c. Find the instantaneous rate of change of the area S with respect to the edge length a at a = 7.
A. a. 14.01 b. 14.001 c. 3.5 B. a. 994.1 b. 9814.01 c. 3.5 C. a. 14.1 b. 14.01 c. 14 D. a. 1.41 b. 0.1401 c. 14