Question

X= y2+1

3x - 2y = 4.
Which of the following equations could be the result of using substitution to solve
the system?

Answer 1

3y² -2y -1 =0

Explanation:

X= y²+1 .....(1)

3x - 2y = 4.....(2)

put x in (2) : 3(y²+1 )-2y =4

3y² +3 -2y -4 = 0

3y² -2y -1 =0