11. Quadrilateral WXYZ with vertices W(1.2),
X(2,7). Y(4.5), and Z(6.1): (-7,-8)

Which shows the pre image of triangle xyz

Solve each quadratic equation by factoring and using the zero product property. 10x + 6 = -2x^2 -2

Adecibel is a logarithmic unit that can be used to measure the intensity of a sound. the function y = 10logx gives the intensity of a sound in decibels, where x is the ratio of the intensity of the sound to a reference intensity. the reference intensity is generally set at the threshold of hearing. use the graphing utility to graph the decibel function.a whisper has a sound intensity of 30 decibels. use your graph to you complete the following statement. the sound intensity of a whisper is times the reference intensity.