If k-8= 0, what property justifies k = 8?

Use the squared identities to simplify sin^2x cos^2x

Analyze the solution below. 7 3 x = −2 7 3 x(3 7 ) = −2(3 7 ) x = − 6 7 what property was used to solve the equation? property of opposites division property of equality addition property of equality multiplication property of equality

If (-3, y) lies on the graph of y = 3^x, then y =