What is the positive root of the equation x 2 + 5x = 150?
Question
Updated 3/26/2014 11:03:27 PM
Flagged by yeswey [3/26/2014 11:02:24 PM]
Original conversation
User: What is the positive root of the equation x 2 + 5x = 150?

Question
Updated 3/26/2014 11:03:27 PM
Flagged by yeswey [3/26/2014 11:02:24 PM]
Rating
3
x^2 + 5x = 150
x^2 + 5x - 150 = 0
(x + 15)(x - 10) = 0
x = -15 or 10
The positive root of the equation x^2 + 5x = 150 is 10.
Confirmed by jeifunk [3/26/2014 11:10:05 PM]

Questions asked by the same visitor
Complete the square of the quadratic equation x 2 - 2x - 35 = 0. What is the vertex of the equation?
Question
Updated 4/23/2014 9:31:08 PM
x^2 - 2x - 35 = 0
x^2 - 2x + 1 - 36 = 0
(x - 1)^2 - 36 = 0 which is the vertex form of equation.
Confirmed by jeifunk [4/23/2014 9:37:15 PM]
Find the line of symmetry for the parabola whose equation is y = 2x 2 - 4x + 1. x = -1 x = 1 x = 2
Question
Updated 3/24/2014 9:46:16 PM
The line of symmetry for the parabola whose equation is y = 2x^2 - 4x + 1 is x = 1.
Confirmed by jeifunk [3/24/2014 10:03:32 PM]
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