Quadratic Equations

Algebra
Tutor: None Selected Time limit: 1 Day

Write the quadratic equation whose roots are 1 and -2, and whose leading coefficient is 2

.
(Use the letter x to represent the variable.)       ?=0

Apr 9th, 2015

If roots are 1 and -2 then the two factors are:

(x - 1) (x + 2)

x^2 + 2x - 1x - 2 (used FOIL)

x^2 + x - 2 (combine terms)

Now, add leading coefficient is 2

2x^2 + x - 2

y = 2x^2 + x - 2



Apr 9th, 2015

Studypool's Notebank makes it easy to buy and sell old notes, study guides, reviews, etc.
Click to visit
The Notebank
...
Apr 9th, 2015
...
Apr 9th, 2015
Dec 8th, 2016
check_circle
Mark as Final Answer
check_circle
Unmark as Final Answer
check_circle
Final Answer

Secure Information

Content will be erased after question is completed.

check_circle
Final Answer