For the given equation, find the vertex or vertices.r = 
A. 
B. 
, 
C. 
D. 
, 
Answer: D
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Which of the following is more appropriate for a theoretical probability design to be used? ?
A. ?The probability of picking the short straw. B. ?The probability of getting into an accident while driving to work. C. ?The probability of making a typing error in any given minute. D. ?The probability of finding your homework assignment when you are in a hurry. E. ?None of the above.
Find the indicated product.(a + 7b)(x + y)
A. ax + 9bx + ay + 8by B. ax + 7bx + ay + by C. ax + 7bx + ay + 7by D. ax + 8bx + ay + 7by E. ax + bx + ay + 8by
Estimate the answer by rounding as indicated.Estimate by rounding to the nearest ten.
A. 130 B. 40 C. 37 D. 30
Find all solutions by factoring.8x2 + 26x + 15 = 0
A. 
, 
B. - 
,- 
C. 
, 
D. - 
,- 