Solve the equation using the quadratic formula.x2 + x + 5 = 0
A. 
B. 
C. 
D. 
Answer: C
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Provide an appropriate response.True or false? The solution of the equation 7y - 6 = 7y + 3 is 0.
What will be an ideal response?
Solve the problem.Seven family members are planning a picnic. They work out the details with a few phone calls. One family member has 5 conversations, two have 3 conversations, and one has only 1 conversation. How many phone conversations are there?
A. 18 B. 6 C. 9 D. 12
Assume that the cities lie on the same north-south line and that the radius of the earth is 6400 km. Find the latitude of Winnipeg, Canada if Winnipeg and Austin, TX, 
, are 
apart.
A. 60°N B. 50°N C. 20°N D. 70°N
Convert the polar equation to a rectangular equation.r = 
A. 9x2 + 8y2 + 6y - 9 = 0 B. 9x2 + 9y2 + 6x - 9 = 0 C. 8x2 + 9y2 + 6x - 9 = 0 D. 10x2 + 9y2 - 6x - 9 = 0