Solve the equation by completing the square.
x2 +
x -
= 0
A. {, -
}
B. {,
}
C. {, -
}
D. {, -
}
Answer: C
Mathematics
You might also like to view...
Solve the problem.Find the missing length in the following right triangle. If necessary, round to the nearest tenth.
A. 12 cm B. 14.5 cm C. 72.5 cm D. 145 cm
Mathematics
For the given functions f and g, find the requested composite function value.f(x) = 4x + 6, g(x) = 2x2 + 1;Find (f ? f)(4).
A. 2179 B. 969 C. 94 D. 138
Mathematics
Use a graphing calculator to find the zeros of the function. Round to three decimal places.f(x) = 2.38x2 - 14.57x - 1.95
A. -0.262, 12.506 B. -0.131, 6.253 C. -6.253, 0.131 D. 0.137, 5.985
Mathematics
Solve the equation.-6n - 3 = 21
A. n = 22 B. n = -18 C. n = 4 D. n = -4
Mathematics