<PRE><B>Question 203923</B>
Determine the number of solutions and classify the type of solutions for each of the following equations. Justify the answers.
a. x^2 + 3x - 15 = 0
This is well covered by the onsite solver.  Read the info about the discriminant.
*[invoke solve_quadratic_equation 1,3,-15]
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None of the tutors are likely to do 8 problems in one submission.  You give them a try, and email me via the thank you note for help, or to check your work.
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b. x^2 + x + 4 = 0
c. sqrt2^2 - 4x - 7 sqrt2 = 0
d. x^2 - 8x + 16 = 0
e. 2x^2 - 3x + 7 = 0
f. x^2 - 4x - 77 =0
g. 3x^2 - 7x + 6 = 0
h. 4x^2 + 16x + 16= 0</PRE>