SOLUTION: what is the sum of the 2 solutions of the equation x^2-3x-28=0?
a) 7, b) 3, c)0, d)-4, e)-28
Algebra.Com
Question 433991: what is the sum of the 2 solutions of the equation x^2-3x-28=0?
a) 7, b) 3, c)0, d)-4, e)-28
Answer by stanbon(75887) (Show Source): You can put this solution on YOUR website!
what is the sum of the 2 solutions of the equation x^2-3x-28=0?
---
The sum of the 2 answers to any quadratic equation
is 2(-b/(2a)) = -b/a
---
Your Problem:
The sum is 3/1 = 3
-----------------------
cheers,
Stan H.
=========================
a) 7, b) 3, c)0, d)-4, e)-28
RELATED QUESTIONS
the equation 2x-3x^1/2 + 1 = 0 has two solutions. The sum of the solutions is:
a 1 (answered by texttutoring)
Can you help me with this? Thanks
What is the difference of the product and the sum of (answered by ikleyn)
what are the solutions of the equation 2x^2 + x - 28 = 0
1.) 7/2,4
2.) 7/2,-4
3.)... (answered by unlockmath)
The sum of the solutions of the equation x^4 + 2x^3 − 13x^2 − 14x + 24 = 0... (answered by richwmiller)
Which of the following equations represents a linear equation? Please show examples of... (answered by Alan3354)
I've missed a lot of school because I've been sick and I'm trying to get all of my work... (answered by jsmallt9)
Find an equation that has the solutions: x= -4 and 7
select 1 answer below:
a.x^2 -... (answered by checkley71)
The equation 2^x^2 = = 16 ^2x−3 has two solutions. What is their sum?... (answered by Alan3354)
The number of ordered pair solutions (x, y) with real coordinates of the system
3x^2... (answered by Alan3354)