Evaluate the discriminant, and predict the type and number of solutions.s2 + 7s - 6 = 0
A. 0, one rational
B. 73, two different rational
C. -73, two different imaginary
D. 73, two different irrational
Answer: D
Mathematics
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Find the exact function value.sin-1
A. 
B. - 
C. - 
D. - 
Mathematics
Multiply.(12x + y)(12x - y)
A. 144x2 - y2 B. 144x2 - 24xy - y2 C. 24x2 - y2 D. 144x2 + 24xy - y2
Mathematics
Decompose v into two vectors v1 and v2, where v1 is parallel to w and v2 is orthogonal to w.v = i + 7j,
w = i + j
A. v1 = 8i + 8j, v2 = -6i + 6j
B. v1 = 4i + 4j, v2 = 3i - 3j
C. v1 = 4i + 4j, v2 = -3i + 3j
D. v1 = 
i + 
j, v2 = - 
i + 
j
Mathematics
Solve the equation by completing the square.4r2 + 22r = -15
A. 
B. 
C. 
D. 
Mathematics