Abby used the quadratic formula to find the zeros of the
function below. However, Abby made a mistake. What mistake
did Abby make? *

Abby used the quadratic formula to find the zeros of the function below However Abby made a mistake What mistake did Abby make class=

Respuesta :

Step 2: She did not simplify under the square root correctly

under the square root:

(-6)^2 =36

and -4(5)(-8) =160

therefore under the square root it needs to be square root of 36+160 which is square root of 196.

That answer is 14 when square rooted

Ver imagen sammy624

Answer:

step 2

Step-by-step explanation:

(-6)^2 ≠ 36^2

(-6)^2 = 36