Identify the complex number as real or imaginary.
A. Imaginary
B. Real
Answer: A
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Use the quadratic formula to find any x-intercepts on the graph of the equation.y = x2 - 2x + 10
A. 
B. 
C. 2 ± 3
D. None
Find the exact value of the expression without using a calculator or table.arcsec (
)
A. 
B. 
± 2?n, 
± 2?n
C. 
D. 
Solve the problem using your calculator.The paired data below consist of the temperatures on randomly chosen days and the amount a certain kind of plant grew (in millimeters). Use a graphing calculator to model the data with a linear function that predicts a plant's growth as a function of temperature.
A. y = -14.6 - 0.211x B. y = 14.6 + 0.211x C. y = 7.30 + 0.122x D. y = 7.30 - 0.112x
Find the vertices and the foci of the given ellipse.16x2 + 25y2 = 400
A. V: (0, -16), (0, 16) F: (0, -4), (0, 4) B. V: (0, -5), (0, 5) F: (0, - 3), (0, 3) C. V: (-5, 0), (5, 0); F: (- 3, 0), (3, 0) D. V: (-25, 0), (25, 0); F: (-5, 0), (5, 0)