Math

Write the expression in expanded form. log _x7yz log _7y+log _7z log _x7+log _xy+log _xz log _x7log _xylog _xz log _x7+y+z

Beginning with the Pythagorean Identity sin 2x+cos 2x=1 , derive the other two Pythagorean Identities. [Hint: I like to divide each side of the equation by sin 2x to derive one of them.]

gx= beginarrayl 2x+3,x>4 -2x+3,x ≤ 4endarray . What is g7 if: Q 13 -13 17 -17

26/30 A function has a discriminant of 25. How many solutions does it have? 5 2 1

Put these numbers in order from greatest to least. 7/35 13.3 -13 7/10 0.3

What is 5/2 -3i- 1/2 +i ? a. 3/2 +2i b. 2+4i C. 3-4i d. 2-4i 8. In the complex number 8 - 3i, what is the imaginary part? a. -3i b. 5 c. 8 d. -3

For the following problem, solve and simplify completely. x2+36=0 Choose all that apply. x=6i x=-i square root of 36 x=-6i x=i square root of 36 x= ± square root of -36

x,cos x,[0,2 π ] 27. fx=2sin x+sin 2x,[0,2 π ] 28. 29. fx=x+2cos x,[0,2 π ] y=underline -3/x

El Gizmo proporciona dos fracciones equivalentes iguales, simplificadas y no simplificadas, para las proporciones sombreadas:total y no sombreadas:total. Regístrelos a continuación. Para ver por qué son equivalentes, observe cuántos cuadrados sombreados y no sombreados hay en cada fila de la cuadrícula. sombreado/total =frac square square =square nosombre...

Solve the rational equation. If there is no solution, enter DNE. frac a-4a2-2a-35= 2/a+5 - 7/a-7 Solution: a=square If there is more than one solution to the equation, use a comma to separate solutions.