Quadratic CASE21 Questions

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​To solve this type of problem:

1) Press y =

2) Type the equation in

3) Press 2nd button and graph

This will pull up the table. Look for the

ordered pair that is listed in the table.

​To solve this type of problem:

1) Key equation in Desmos

2) Remember solutions, roots, x-intercepts, and

zeros are all synonyms for each other.

3) Solution just means the number of times the

graph touches the x-axis.

​To solve this type of problem:

1) Remember solutions, roots, x-intercepts, and zeros are all synonyms for each other.

2) Solution of a graph is the value the graph passes through the

x-axis.

3) If the question asks you for the factors for the graph, you are going to write the numbers as their opposite in the parenthesis.

(x + 6) (x - 2).

​To solve this type of problem:

1) Key equation in Desmos

2) Key in each equation in from answer choices to see which equation produces the same graph as the original equation.

​To select the correct answer for this type of problem:

1) Key equation in Desmos

2) Key in each equation in from answer choices to see which equation produces the same graph as the original equation.

​To select the correct answer for this type of problem:

1) Key original equation in Desmos

2) Then identify the values in which the graph passes through the x-axis.

​To select the correct answer for this type of problem:

1) Read question carefully.

2) Pick up on key words "at least 7.5 feet".

​To select the correct answer for this type of problem:

1) Key equation in Desmos

2) Identify which statement is true. Pay close attention to the wording of the answer choices.

​To answer this type of problem:

1) Remember if the value inside the parenthesis is less than 1.0 it will be decay.

2) Remember if the value inside the parenthesis is greater than 1.0 it will be growth.

​To answer this type of problem:

1) Key in original equation in Desmos

2) Look for the values that the graph passes through the x-axis.

3) Key in each answer choice to see which equation gives you the same graph produced like the original graph.

​What is the rate of change for when x = -3 and when x = -2?

Would this be a positive rate of change or a negative rate of change?