SOLUTION: If y + 4x - 18 = 0 and y^2 = x, then there is a solution with y given by (a) y = 9/4 (b) y = 0 (c) Cannot be determined (d) y = 2 (e) y = 1

Algebra ->  Trigonometry-basics -> SOLUTION: If y + 4x - 18 = 0 and y^2 = x, then there is a solution with y given by (a) y = 9/4 (b) y = 0 (c) Cannot be determined (d) y = 2 (e) y = 1       Log On


   

Question 675200: If y + 4x - 18 = 0 and y^2 = x, then there is a solution with y given by
(a) y = 9/4
(b) y = 0
(c) Cannot be determined
(d) y = 2
(e) y = 1

Answer by jim_thompson5910(35256) About Me  (Show Source):
You can put this solution on YOUR website!
y + 4x - 18 = 0

y + 4y^2 - 18 = 0

4y^2 + y - 18 = 0

(y - 2)(4y + 9) = 0

y - 2 = 0 or 4y + 9 = 0

y = 2 or y = -9/4

So the solutions are y = 2 or y = -9/4