Find an equation for the line with the given properties.Parallel to the line x = 8; containing the point (4, 9)
A. x = 9
B. y = 8
C. y = 9
D. x = 4
Answer: D
Mathematics
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Solve.The function A = A0e-0.0077x models the amount in pounds of a particular radioactive material stored in a concrete vault, where x is the number of years since the material was put into the vault. If 900 pounds of the material are initially put into the vault, how many pounds will be left after 80 years?
A. 506 lb B. 486 lb C. 413 lb D. 400 lb
Mathematics
Decide whether the points in the table lie on a line. If they do, find the slope-intercept form of the line.
A. Yes; y = -2x + 3 B. No C. Yes; y = 3x D. Yes; y = -3x + 3
Mathematics
Give the quadrant in which the point is located.(- , -
)
A. Quadrant I B. Quadrant II C. Quadrant IV D. Quadrant III
Mathematics
Solve. = 9
A. 86 B. 196 C. 76 D. 81
Mathematics