Use graphical methods to find all real solutions to the following equation. Express solutions rounded to the nearest hundredth.x4 - 9x2 + 20 = 0
A. {-1, 2.71, -2.71}
B. {5, -5, 4, -4}
C. {2.24, -2.24, 2.00, -2.00}
D. {2.24, 2.00}
Answer: C
Mathematics
You might also like to view...
Solve the system of equations by use of determinants.-4x + 4z = -20-4x + 4y + 2z = -12-3x - 8y = -59
A. x = 10, y = 2, z = 4 B. x = 4, y = 4, z = 4 C. x = 9, y = -4, z = -4 D. x = 9, y = 4, z = 4
Mathematics
Find the base 10 logarithm of the given number.The U.S. gross domestic product (GDP) in a particular year was 10.40 × 1012 dollars.
A. 29.97 B. 22.4 C. 12.80 D. 13.02
Mathematics
Find the difference. Check by adding.59
A. 114 B. -6 C. 4 D. 14
Mathematics
Solve.A polygon with n sides has D diagonals, where D is given by the function D(n) = 
. Find the number of sides n if 54 ? D ? 135.
A. {n|12 ? n ? 18} B. {n|11 ? n ? 19} C. {n|13 ? n ? 18} D. {n|10 ? n ? 19}
Mathematics