Posted by Ka'Sandra on Wednesday, August 11, 2010 at 5:14pm.
Part 1: Which part of the quadratic formula tells you whether the quadratic equation can be solved by factoring and why?
1. −b
2. b2 − 4ac
3. 2a
Part 2: Create your own quadratic equation. Using complete sentences, and your answer from part 1, determine whether your equation can be solved by factoring.

math algebra  Reiny, Wednesday, August 11, 2010 at 6:28pm
If b^2  4ac is a perfect square, then the roots are rational, and the quadratic can be factored.

math algebra  jai, Thursday, August 12, 2010 at 5:44am
b^2  4ac ==> this is the discriminant
note: for real numbers a, b and c,,
*if b^2  4ac < 0 : 2 imaginary roots
*if b^2  4ac = 0 : 1 real and distinct root
*if b^2  4ac > 0 : 2 real and distinct roots
Answer This Question
Related Questions
 math help how do i do this  Decide which part of the quadratic formula tells ...
 math help plsss plsss  Decide which part of the quadratic formula tells you ...
 algerba  What is the value of the discriminant, b2 − 4ac, for the ...
 Algebra  1. Parent Quadratic Equation 2. Coordinate of the vertex 3. quadratic ...
 Algebra II, part 2  Part 2 of homework set. 6. Solve the quadratic using the ...
 math  15t^2+7t=2 The quadratic formula tells you that the solutions are: t = [...
 Algebra  Solve the equation. Use factoring or the quadratic formula, whichever ...
 math  Create a quadratic polynomial function f(x) and a linear binomial in the ...
 QUADRATIC EQUATION  r^2+8r=48 First bring the 48 to the other side of the ...
 algebra  Quadratic equations can be solved by graphing,using the quadratic ...
More Related Questions