Simplify. Remember that we have assumed that radicands do not represent the square of a negative number.
A. -4x
B. 4x
C. 16x
D. 4x2
Answer: B
Mathematics
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Solve the system algebraically.y = 5x + 35y = 3x + 19
A. no solution B. (8, -5) C. (5, 8) D. (-8, -5)
Mathematics
Solve the equation graphically, numerically, or symbolically. If appropriate, round the solution to hundredths. ?b - 4? - 9 = -2
A. No solution B. 11, -3 C. 11 D. -11, 3
Mathematics
Perform the indicated operation and express in lowest terms.
- 
A. 3
B. 
C. 
D. 
Mathematics
The graphing calculator screen shows the graphs of the two given functions, and the display gives the coordinates of one of the solutions. Find the other solution.
y = -x2 + 4x + y = 4
A. (3, 1) B. (1, 3) C. (-1, 5) D. (7, -3)
Mathematics