Write
in terms of sin x and cos x then simplify.
(a) 1
(b) sin² x
(c) sin x
(d) cos x
(e) -cos² x
(c) sin x
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If the equation represents a hyperbola, find the center, foci, and asymptotes. If the equation represents an ellipse, find the center, vertices, and foci. If the equation represents a circle, find the center and radius. If the equation represents a parabola, find the focus and directrix. 4x2 + 9y2 + 72x - 36y + 324 = 0
A. C: (-9, 2); V: (-9, 5), (-9, -1); F: (-9, 4.2), (-9, -0.2) B. C: (-9, 2); V: (-6, 2), (-12, 2); F: (-6.8, 2), (-11.2, 2) C. C: (-9, 2); V: (-7, 2), (-11, 2); F: (-5.4, 2), (-12.6, 2) D. C: (-9,2); V: (-9, 4), (-9, 0); F: (-9, 5.6), (-9, -1.6)
Use the determinant feature of a graphing calculator to solve the system by Cramer's rule . (Round to one decimal place.)1.8x + 1.3y - 4.6z = 3.24.1x - 6.4y + 1.5z = -3.62.0x + 4.0y + 4.7z = 8.2
A. {(1.1, 1.3, 0.1)} B. {(4.6, 5.3, 0.5)} C. {(2.3, 2.7, 0.3)} D. {(0.6, 0.7, 0.1)}
Provide an appropriate response.Show that +
=
. In terms of area, explain the result.
What will be an ideal response?
Without solving, determine the character of the solutions of the equation in the complex number system.4x2 - 8x + 4 = 0
A. a repeated real solution B. two unequal real solutions C. two complex solutions that are conjugates of each other