An equation and the first step in its solution are shown. Equation: x2 + 3x - 9 = 0
Step 1: x2 + 3x + h = 9+h
What value of h is used to solve the equation by the method of completing the square?
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Drag the tiles to the correct boxes to complete the pairs. using the properties of integer exponents, match each expression with the correct equivalent expression.

Do one of the following, as appropriate: (a) find the critical value z subscript alpha divided by 2 , (b) find the critical value t subscript alpha divided by 2 . 99%; nequals 17; sigma is unknown; population appears to be normally distributed.

What is the domain of the of the exponential function shown below?