contestada


A student performed the following steps to find the solution to the equation
x2 + 4x -12=0 Where did the student go wrong?
Step 1. Factor the polynomial into (x+6) and (x-2)
Step 2. X-6 = 0 and x + 2 = 0
Step 3. x = 6 and x = -2
A. in Step 2
B. in Step 1
C. in Step 3
D. The student did not make any mistakes, the solution is correct

Respuesta :

Answer:

Step 2.

Step-by-step explanation:

Step 2. In step 1, they correctly wrote the factors of the polynomial as (x+6) and (x-2). But then in step 2, (x+6) suddenly became (x-6) and (x-2) became (x+2), which is incorrect.

The answers in step 3 should have been -6 and  2.

Answer:

Step 2

Step-by-step explanation:

Hope this helped :)

Otras preguntas