Evaluate the discriminant for the equation. Then use it to predict the number of distinct solutions, and whether they are rational, irrational, or nonreal complex.8y2 = -7y - 7
A. Two distinct irrational solutions
B. One rational solution (a double solution)
C. Two distinct rational solutions
D. Two distinct nonreal complex solutions
Answer: D
Mathematics
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Find the length of the curve.y = 
, 0 ? x ? 
A. 1
B. 
C. 3
D. 9
Mathematics
Find the equation for the tangent to the curve at the given point.f(x) = x2 + 5x ; (4, 36)
A. y = -39x - 80
B. y = 
+ 
C. y = 13x - 16
D. y = - 
+ 
Mathematics
Find the perimeter of the triangle or rectangle as indicated.Find the perimeter of the triangle.
A. P = 19.6 m B. P = 12.6 m C. P = 18.2 m D. P = 25.2 m
Mathematics
Use the graph to answer the question.
What was the difference between the highest and lowest monthly sales in 2008?
A. $6000 B. $8000 C. $4000 D. $2000
Mathematics