SOLUTION: Find the number of real number solutions of 4x^2+16x+15=0
Algebra.Com
Question 341777: Find the number of real number solutions of 4x^2+16x+15=0
Answer by stanbon(75887) (Show Source): You can put this solution on YOUR website!
Find the number of real number solutions of
4x^2+16x+15=0
Factor
4x^2+10x+6x+15 = 0
2x(2x+5) + 3(2x+5) = 0
---
(2x+5)(2x+3) = 0
x = -5/2 or x = -3/2
=======================
Cheers,
Stan H.
===========
RELATED QUESTIONS
Find the values of k such that 4x^2+16x+k has the following solution.
a. two real number (answered by MathLover1)
Find the values of k such that 4x^2+16x+k has the following solutions.
a.exactly one... (answered by MathLover1)
Find the values of k such that 4x^2+16x+k has the following solutions.
a. no real... (answered by MathLover1)
Compute the value of the discriminant and give the number of real solutions of the... (answered by ewatrrr)
Find the number of real-number solutions of the equation:... (answered by Theo)
find the number of real number solutions for the equation... (answered by nerdybill)
Find the number of real -number solutions of each equation
1. x^2+8=0
2. 3x^2-9x=-5
(answered by lynnlo)
Find b^2 - 4ac and the number of real solutions to
equation.... (answered by Mathtut)
Find b^2 - 4ac and the number of real solutions
-3x^2 + 7x =... (answered by RAY100)