Busy. Please wait.
Log in with Clever
or

show password
Forgot Password?

Don't have an account?  Sign up 
Sign up using Clever
or

Username is available taken
show password


Make sure to remember your password. If you forget it there is no way for StudyStack to send you a reset link. You would need to create a new account.
Your email address is only used to allow you to reset your password. See our Privacy Policy and Terms of Service.


Already a StudyStack user? Log In

Reset Password
Enter the associated with your account, and we'll email you a link to reset your password.

Quadratic Equations

Quiz yourself by thinking what should be in each of the black spaces below before clicking on it to display the answer.
        Help!  

Question
Answer
What is the quadratic expression in the variable x?   ax^2 + bx + c is the general quadratic expression in the variable x.  
🗑
What is the quadratic equation in the variable x?   ax^2 + bx + c = 0 is the general quadratic equation in the variable x.  
🗑
What is the binomial square theorem?   For all real numbers x and y, (x+y)^2 = x^2+2xy+y^2and (x-y)^2 = x^2 - 2xy + y^2  
🗑
What is the Absolute Value-Square Root Theorem?   For all real numbers x, square root of x^2 = absloute value of x  
🗑
What is the Quadratic Formula Theorem?   x=-b+- the square root of b^2 - 4ac all over 2a.  
🗑
What is a complex number?   A number in the form a + i where a and b are real numbers and i = the square root of -1; a is called the real part and b is called the imaginary part.  
🗑


   

Review the information in the table. When you are ready to quiz yourself you can hide individual columns or the entire table. Then you can click on the empty cells to reveal the answer. Try to recall what will be displayed before clicking the empty cell.
 
To hide a column, click on the column name.
 
To hide the entire table, click on the "Hide All" button.
 
You may also shuffle the rows of the table by clicking on the "Shuffle" button.
 
Or sort by any of the columns using the down arrow next to any column heading.
If you know all the data on any row, you can temporarily remove it by tapping the trash can to the right of the row.

 
Embed Code - If you would like this activity on your web page, copy the script below and paste it into your web page.

  Normal Size     Small Size show me how
Created by: Southlawn
Popular Math sets