Solving Quadratic Equations by Completing the Square
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
Help!
|
|
||||
---|---|---|---|---|---|
Standard Form of Quadratic Equation | ax^2+bx+c=0
🗑
|
||||
Square Root Property | if a^2=b then the square root of a equals plus or minus b
🗑
|
||||
Perfect Square Trinomial | ax^2+2ab+b^2 = (a+b)^2
🗑
|
||||
Completing the Square means | writing a quadratic equation so that one side is a perfect square trinomial.
🗑
|
||||
What is added to both sides of an equation to complete the square? | The square of 1/2 the coefficient of x.
🗑
|
||||
5 Steps used to solve ax^2+bx+c=0 by completing the square: | 1. Divide both sides of equation by coefficient of x^2.
2. Isolate the variable x.
3. Complete the square.
4. Factor the square.
5. Use the square root property.
🗑
|
||||
Simple Interest Formula | I=Prt
🗑
|
||||
Compound Interest Formula | A=P(1+r)^t
🗑
|
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.
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
Normal Size Small Size show me how
Created by:
jfkmoore
Popular Math sets