Question

Use the quadratic formula to determine the exact solutions to the equation.

2x^2−5x+1=0

X= OR X=

Answer 1

5 + sq root 17/4 and 5- sq root 17/4

Make sure 5 +sq root of 17 is all over 4. took the test

Explanation:

Answer 2

quadratic formula: x equals negative b plus or minus the square root of b squared minus 4 ac all over 2a
a=2 b=5 c=1
x=(-5+/5^2-4(2)(1))/2(2)
-5+/25-8/4
-5+/17/4
(-5+4.12)/4
-0.877/4
-0.219
x=(-5-/5^2-4(2)(1))/2(2)
-5-/25-8/4
-5-/17/4
(-5-4.12)/4
-9.12/4
-2.28

x=-0.219 or x=-2.28