Without solving the equation, find the value(s) of the variable that could result in an extraneous solution.
- 
= 
A. -1, 0, 3, 9
B. -9, -3, 1
C. -9, -3
D. -1, 3, 9
Answer: B
Mathematics
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Use a graphing calculator to solve the nonlinear system. Give x- and y-coordinates to the nearest hundredth.x2 - y2 = 7.82x = 2y - 5
A. {(-6.31, -5.65), (2.97, -1.01)} B. {(-6.31, 5.65), (2.97, 1.01)} C. {(-2.97, -1.01), (6.31, -5.65)} D. {(-2.97, 1.01), (6.31, 5.65)}
Mathematics
Graph the function.y = log2 x
A. 
B. 
C. 
D. 
Mathematics
Solve the problem. Write the answer in lowest terms and as a whole or mixed number where possible.Find the area of a rectangular banner having a length of 22 feet and a width of 
foot.
A. 
ft2
B. 7 ft2
C. 38
ft2
D. 19
ft2
Mathematics
Graph the equation by hand.y = -4
A. 
B. 
C. 
D. 
Mathematics