Write the equation for the line containing the specified point and having the given slope in 
form, where a and b are integers.(-4, 6) and horizontal
A. x = -4
B. y = -4
C. x = 6
D. y = 6
Answer: D
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Use the formula for the general term (the nth term) of an arithmetic sequence to find the indicated term of the sequence with the given first term, a1, and common difference, d.Find a31when a1 = -10, d = -1.
A. -40 B. 20 C. -41 D. 21
Solve the system. If there is no solution or if the system's equations are dependent, so state.
A. {(-3, -5, 4)} B. no solution or ? C. {(-3, 4, -5)} D. infinitely many solutions; dependent equations
For a satellite orbiting Earth, the time required to complete a single orbit is known as the period. The period P, in hours, is related to the distance D, in miles, from the center of Earth by the formula
.
Does an increase in period have a greater effect on distance for a satellite with a longer period or for a satellite with a shorter period? A graph of D versus P can help you answer this question.
What will be an ideal response?
Find an equation of the ellipse that satisfies the given conditions.
Foci: (0, ± 8), vertices (0, ± 9)
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