Answer:
x = ± [tex]\sqrt{\frac{y-b}{a} }[/tex]
Step-by-step explanation:
Given
y = ax² + b ( subtract b from both sides )
y - b = ax² ( divide both sides by a )
[tex]\frac{y-b}{a}[/tex] = x² ( take the square root of both sides ), thus
x = ± [tex]\sqrt{\frac{y-b}{a} }[/tex]
