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Unit 9 Test Review

Last updated over 3 years ago
30 questions
1

Solve the equation by graphing.


If there is No Solution, just type No.
If there is more than one solution, put a comma and no spaces between your answers.
Only write the numerical values. You don't need the x= part.
Round to the nearest hundredth, if necessary.

1

Find the roots of the equation by graphing.


If there is No Solution, just type No.
If there is more than one solution, put a comma and no spaces between your answers.
Only write the numerical values. You don't need the x= part.
Round to the nearest hundredth, if necessary.

1

Find the solution(s) of the equation by graphing.


If there is No Solution, just type No.
If there is more than one solution, put a comma and no spaces between your answers.
Only write the numerical values. You don't need the x= part.
Round to the nearest hundredth, if necessary.

1

Solve the equation by graphing.


If there is No Solution, just type No.
If there is more than one solution, put a comma and no spaces between your answers.
Only write the numerical values. You don't need the x= part.
Round to the nearest hundredth, if necessary.

1

Solve the quadratic equation by taking square roots.


Write your answer as exact number(s). (Remember to simplify your square roots as much as possible).

If there is No Solution, just type No.
If there is more than one solution, put a comma and no spaces between your answers.
Only write the numerical values. You don't need the x= part.

1

Solve the quadratic equation by taking square roots.


Write your answer as exact number(s). (Remember to simplify your square roots as much as possible).
If there is No Solution, just type No.
If there is more than one solution, put a comma and no spaces between your answers.
Only write the numerical values. You don't need the x= part.

1

Solve the quadratic equation by taking square roots.


Write your answer as exact number(s). (Remember to simplify your square roots as much as possible).
If there is No Solution, just type No.
If there is more than one solution, put a comma and no spaces between your answers.
Only write the numerical values. You don't need the x= part.

1



Don't forget your units!!!!

1

Solve the equation by factoring!


Write your answer as exact number(s).

If there is No Solution, just type No.
If there is more than one solution, put a comma and no spaces between your answers.
Only write the numerical values. You don't need the a= part.

1

Solve the equation by factoring!


Write your answer as exact number(s).

If there is No Solution, just type No.
If there is more than one solution, put a comma and no spaces between your answers.
Only write the numerical values. You don't need the n= part.

1

Solve the equation by factoring!


Write your answer as exact number(s).

If there is No Solution, just type No.
If there is more than one solution, put a comma and no spaces between your answers.
Only write the numerical values. You don't need the n= part.

1

Solve the equation by factoring!


Write your answer as exact number(s).

If there is No Solution, just type No.
If there is more than one solution, put a comma and no spaces between your answers.
Only write the numerical values. You don't need the n= part.

1

Solve the equation by completing the square!


Write your answer as exact number(s).

If there is No Solution, just type No.
If there is more than one solution, put a comma and no spaces between your answers.
Only write the numerical values. You don't need the n= part.

1

Solve the equation by completing the square!


Write your answer as exact number(s).

If there is No Solution, just type No.
If there is more than one solution, put a comma and no spaces between your answers.
Only write the numerical values. You don't need the n= part.

1

Solve the equation.


Write your answer exact number(s). (Remember to simplify your square roots as much as possible).

If there is No Solution, just type No.
If there is more than one solution, put a comma and no spaces between your answers.
Only write the numerical values. You don't need the x= part.

1

Solve the equation using the quadratic fomula.


Write your answer as exact number(s). (Remember to simplify your square roots as much as possible).

If there is No Solution, just type No.
If there is more than one solution, put a comma and no spaces between your answers.
Only write the numerical values. You don't need the x= part.

1

Solve the equation using the quadratic fomula.


Write your answer as exact number(s). (Remember to simplify your square roots as much as possible).

If there is No Solution, just type No.
If there is more than one solution, put a comma and no spaces between your answers.
Only write the numerical values. You don't need the x= part.

1

Solve the equation using the quadratic fomula.


Write your answer as exact number(s). (Remember to simplify your square roots as much as possible).

If there is No Solution, just type No.
If there is more than one solution, put a comma and no spaces between your answers.
Only write the numerical values. You don't need the x= part.

1

Solve the equation using the quadratic fomula.


Write your answers as APPROXIMATE SOLUTIONS rounded to the nearest hundredth.

If there is No Solution, just type No.
If there is more than one solution, put a comma and no spaces between your answers.
Only write the numerical values. You don't need the x= part.

1

Solve the equation using any method.


Write your answer as exact number(s). (Remember to simplify your square roots as much as possible).

If there is No Solution, just type No.
If there is more than one solution, put a comma and no spaces between your answers.
Only write the numerical values. You don't need the n= part.

1

Find the x-intercept(s) for the quadratic equation.


Write your answer as exact number(s). (Remember to simplify your square roots as much as possible).

If there is No Solution, just type No.
If there is more than one solution, put a comma and no spaces between your answers.
Only write the numerical values. You don't need the x= part.

1

Find the zero(s) of the quadratic function.


Write your answer as exact number(s). (Remember to simplify your square roots as much as possible).

If there is No Solution, just type No.
If there is more than one solution, put a comma and no spaces between your answers.
Only write the numerical values. You don't need the x= part.

1

Select the solutions for this quadratic equation. (Since the choices have a square root in them, use the quadratic equation.)  Select all that apply.

1

Which of the following would be a solution for this quadratic equation? 

1

Use the discriminant to determine whether the equation has two solutions one solution or no solution.


SHOW YOUR WORK THAT PROVES YOUR SELECTION!!

1

Use the discriminant to determine whether the equation has two solutions one solution or no solution.


SHOW YOUR WORK THAT PROVES YOUR SELECTION!!

1

Which type of regression best fits the data?


1

Type the equation for the curve of best fit for #17. Round to the nearest hundredth, if necessary.


1


What is your minimum daily cost? DON'T FORGET YOUR UNITS!!!

1


What is the number of widgets (in thousands) you should make per day to minimize your costs? ROUND YOUR ANSWER TO THE NEAREST THOUSAND!!!