Find a quadratic function that best fits the data. Give answers to the nearest hundredth.
A. y = 1.40x2 + 27.15x + 14.44
B. y = -1.40x2 + 27.15x - 14.44
C. y = 5.66x2 - 39.888x + 99.29
D. y = -0.03 + 3.78x - 6.74
Answer: B
Mathematics
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Write the Hindu-Arabic numeral in expanded form.66557
A. (6 × 104) + (6 × 103) + (5 × 102) + (5 × 101) B. (6 × 104) + (6 × 103) C. (6 × 104) + (6 × 103) + (5 × 102) + (5 × 101) + (7 × 1) D. (6 × 104) + (6 × 103) + (5 × 102)
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Order the rational numbers from least to greatest.
, 
A. Equivalent
B. 
, 
C. 
, 
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Add.(10x2 - xy - y2) + (x2 + 11xy + 6y2)
A. 9x2 - 12xy - 7y2 B. 11x2 + 10xy + 5y2 C. 11x2 + 12xy + 7y2 D. 10x2 + 11xy + 6y2
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Find the x-intercept(s) if they exist.x2 + 6x + 5 = 0
A. 
, - 
B. -1, -5
C. 1 , 5
D. 10, -5
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