IM 8.4.6 Practice: Strategic Solving

Solve each of these equations. Explain or show your reasoning.

Solve each equation and check your solution.

Elena said the equation  has no solutions because is greater than . Do you agree with Elena? Explain your reasoning.

The table gives some sample data for two quantities, x and y, that are in a proportional relationship. Complete the table.

Write an equation that represents the relationship between and shown in the table.

Graph the relationship. Use a scale for the axes that shows all the points in the table.