Use a graphing calculator to solve the linear equation.-9x + 2 + 7x = -2x + 7
A. ?
B. {-2}
C. all real numbers
D. {5}
Answer: A
Mathematics
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Simplify. Express your answer with positive exponents. Assume that all variables are nonzero.
A. 
B. 
C. 
D. 
Mathematics
Find the difference. Simplify the result.
- 
A. 
B. 
C. 
D. 
Mathematics
Solve the problem.Let H(x) = 3x2 - 6x. Find x such that (x, -3) is on the graph of H(x).
A. x = -1 B. x = 1 C. x = ±1 D. no solution
Mathematics
Consider the points plotted in the graph below.
Give the coordinates for point B.
A. (3, 4) B. (-5, 4) C. (4, -3) D. (-3, 4)
Mathematics