what is the values of X when y=4
Answer to 1dpâ

Answer:
â3=x
or
1.7=x
Step-by-step explanation:
y=x^2+1
substitute y=4:
4=x^2+1
subtract 1 to both sides:
3= x^2
opposite of squaring is square root:
â3=x
1.7=x