It is not apparent from the standard viewing window whether the graph of the quadratic function intersects the x-axis once, twice, or not at all. Experiment with various windows to determine the number of x-intercepts. If there are x-intercepts, give their values to the nearest hundredth.y = x2 - 3.1x + 2.4
A. None
B. Two; (1.50, 0) and (1.60, 0)
C. Two; (1.30, 0) and (1.70, 0)
D. One; (1.50, 0)
Answer: B
Mathematics
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x + 
y = 4
x - 2y = 21
A. (6, 8) B. (-6, -8) C. (6, -8) D. (-6, 8)
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Evaluate the expression.
+ 
A. 
B. 
C. 
D. 
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Find the least common multiple for the set of numbers.60, 90
A. 540 B. 30 C. 360 D. 180
Mathematics
Find the mean measurement for the set of measurements.
A. 88,197 B. 23,210 C. 4,604 D. 4,561 E. 4,642
Mathematics