Decide Whether or Not the Equations Are Equivalent $$\begin{array} { l } x = - 3 \\x ^ { 2 } = 9\end{array}$$

Q121: Solve the problem.<br>-A rock falls from

Q122: Evaluate the discriminant for the equation.

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Q124: Solve the inequality. Write the solution

Q125: Graph the solution set.<br>- <span class="ql-formula"

Q127: Evaluate the discriminant for the equation.

Q128: Solve the equation.<br>- <span class="ql-formula" data-value="\sqrt

Q129: Find the sum or difference. Write

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Q131: Solve the inequality. Write the solution