charlieberzak
Solve the equation: 4x2 = 9



This Question is Closed

charlieberzak
Best Response
You've already chosen the best response.
0
Answers:
{2, 3}
{2/3, 2/3}
{3/2, 3/2}
no solution

heyheyhelpme
Best Response
You've already chosen the best response.
0
I would say {3/2, 3/2}

katiebugg1997
Best Response
You've already chosen the best response.
1
It's C. x=3/2 or x=3/2

heyheyhelpme
Best Response
You've already chosen the best response.
0
Yeah I was right

katiebugg1997
Best Response
You've already chosen the best response.
1
4x²  9 = 0 4x²  9 = 0 write as difference of squares
(2x  3)² = 0 (2x)²  (3)² = 0 factor difference of squares
2x  3 = 0 (2x  3)(2x + 3) = 0 Set each factor = 0 & solve
2x = 3 2x  3 = 0; 2x + 3 = 0
x = 3/2 2x = 3; 2x = 3
x = 3/2; x = 3/2
Correct solutions: 3/2 and 3/2

charlieberzak
Best Response
You've already chosen the best response.
0
thank youuu :))

katiebugg1997
Best Response
You've already chosen the best response.
1
You'reee Welcome:)

heyheyhelpme
Best Response
You've already chosen the best response.
0
Your welcome