Use the distance formula and the Pythagorean theorem to determine whether the set of points could be vertices of a right triangle.(4, 4), (15, -7), (17, -5)
A. Yes
B. No
Answer: A
Mathematics
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Write a formula for the nth term of the arithmetic sequence. Use the formula to find the 20th term of the sequence.29, 24 , 19, 14, . . .
A. an = -5n + 29; a20 = -71 B. an = 5n - 29; a20 = 71 C. an = -5n + 34; a20 = -66 D. an = 5n - 34; a20 = 66
Mathematics
Use a graphical method to solve the system. Give x- and y-coordinates correct to the nearest hundredth.y = 3-xy = - 
A. (1, 3) B. (-1, 3) C. ? D. (1, -3)
Mathematics
Write the standard equation for the circle.Center at 
, radius 
A. 
2 + 
2 = 
B. 
2 + 
2 = 
C. 
2 + 
2 = 
D. 
2 + 
2 = 
Mathematics
Graph the hyperbola.
- 
= 1
A. 
B. 
C. 
D. 
Mathematics