Provide an appropriate response.Solve the quadratic equation by completing the square: x2 + 8x + 12 = 0
A. x = -2, -6
B. x = 1.3, -9.3
C. x = 2, 6
D. x = -4, -4
Answer: A
Mathematics
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Mathematics
Determine whether the following is a difference of squares.x2- 49y2
A. No B. Yes
Mathematics
Find the x- and y-intercepts. If no x-intercepts exist, state so.f(x) = 2x2 + 1x - 21
A. (3, 0), (- 
, 0), (0,-21)
B. (-7, 0), (
, 0), (0,-21)
C. (3, 0), (
, 0), (0,21)
D. (-7, 0), (
, 0), (0,21)
Mathematics
Solve the problem.Paul has grades of 72 and 68 on his first two tests. What must he score on his third test in order to have an average of at least 60?
A. at most 67 B. at most 60 C. at least 40 D. at least 70
Mathematics