Use the quadratic formula to find the exact solutions of x2 - 9x + 5 = 0.

x equals negative b plus or minus the square root of b squared minus 4 times a times c, all over 2 times a

x equals negative 9 plus or minus the square root of 101, all over 2

x equals 9 plus or minus the square root of 101, all over 2

x equals negative 9 plus or minus the square root of 61, all over 2

x equals 9 plus or minus the square root of 61, all over 2

Question

Ashlynn Ryan

Mathematics

18 November, 19:10

Use the quadratic formula to find the exact solutions of x2 - 9x + 5 = 0.

x equals negative b plus or minus the square root of b squared minus 4 times a times c, all over 2 times a

x equals negative 9 plus or minus the square root of 101, all over 2

x equals 9 plus or minus the square root of 101, all over 2

x equals negative 9 plus or minus the square root of 61, all over 2

x equals 9 plus or minus the square root of 61, all over 2

+1

Answers (2)

Know the Answer?

Francis · Answer 1

x equals 9 plus or minus the square root of 61, all over 2

Step-by-step explanation:

Solve the equation for x by finding a, b, and c of the quadratic then applying the quadratic formula.

Alexa Yoder · Answer 2

Step-by-step explanation:

All those words, when the math is so much clearer!

x = (9±√ (9^2-4*1*5)) / 2 = (9±√101) / 2