Answer to Question #103823 in Algebra for tyler

Answer to Question #103823 in Algebra for tyler

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Question #103823

The third method for graphing the solution set is to use the slope and y-intercept. Answer the following:

a) Find the slope and the y-intercept of the line formed by the following equation. Provide an in-between step: 9x – 3y = 15.

b) Explain how you would use the slope and y-intercept to graph the line represented by this equation.

Expert’s answer

Given straight line is To find the slope and y intercept we reduce the equation in (1) to From (1) Dividing with (-3) we getTherefore, slope y intercept b) To draw the graph of the straight line in (1), we need two points. One point is (Since the straight line cuts the y axis at To find the second point we use slope Slope Therefore, rising 3 units above run will be we get a point .Joining the points and we get the graph of the straight line

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