Find an equation for the ellipse described.Foci at (±2, 0); x-intercepts are ±7
A. 
+ 
= 1
B. 
+ 
= 1
C. 
+ 
= 1
D. 
+ 
= 1
Answer: C
Mathematics
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Graph the region described by the inequality.4x + y ? 4
A. 
B. 
C. 
D. 
Mathematics
Find the smallest positive value of t for which 
.
What will be an ideal response?
Mathematics
Determine whether or not the graph represents a function.
A. not a function B. function
Mathematics
Solve the problem.A motorcycle traveling at 70 miles per hour overtakes a car traveling at 30 miles per hour that had a three-hour head start. How far from the starting point are the two vehicles?
A. 63 miles
B. 157
miles
C. 2
miles
D. 5
miles
Mathematics