Solve the quadratic equation using the quadratic formula.3x2 - 3x + 1 = 0
A. 
B. 
C. 
D. 
Answer: C
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Use the given information to write an equation. Let x represent the number described in the exercise. Then solve the equation and find the number.The sum of four times a number and 8 is equal to the difference of twice the number and 1. Find the number.
A. 4x + 8 = 2x - 1; 
B. 4x + 8 = 2x - 1; - 
C. 4x + 8 = 2x + 1; - 
D. 4(x + 8) = 2x - 1; - 
Solve the problem.The perimeter of a rectangular room is 72 ft. The width is 17 ft. Find the length.
A. 18 ft B. 20 ft C. 55 ft D. 19 ft
Provide an appropriate response.Evaluate 3(2.52 - 3) - 
- (9 - 8)2 following the order of operations using a calculator.
A. -40.85 B. 5.4 C. 2.65 D. 7.15
Express the sum using summation notation. Use a lower limit of summation not necessarily 1 and k for the index of summation.
+ 
+ 
+ 
+ . . . + 
A. 
B. 
C. 
D. 