Solve graphically.2x - y = 0
A. (2, 3)
B. No solution
C. (-2, 3)
D. Infinitely many solutions
Answer: B
Mathematics
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Find the product.(9r - 10)(9r + 10)
A. 81r2 - 100 B. 81r2 - 180r - 100 C. 81 + 180r - 100r2 D. 9r2 - 100
Mathematics
Graph the function by starting with the graph of the basic function and then using the techniques of shifting, compressing, stretching, and/or reflecting.f(x) = |x| + 3
A. 
B. 
C. 
D. 
Mathematics
Multiply.
? 
A. 
B. 
C. 
D. 
Mathematics
Use a graphing calculator to sketch the graph of the quadratic equation, and then determine the x-intervals over which the graph is increasing and decreasing.y = -2x2 + 4x + 7
A. Increasing: (x < -1), Decreasing: (x > -1) B. Increasing: (x < 1), Decreasing: (x > 1) C. Increasing: (x < 5), Decreasing: (x > 5) D. Increasing: (x < 7), Decreasing: (x > 7)
Mathematics