Problem
Catherine Mejia Quadratic Functions (Level 2) May 29, 8:22:29 PM - Watch help video Determine the value of $y$, if $x$ is -3 . \[ y=(x+7)^{2} \] Answer:
Solution
Step 1 ：Substitute x with -3: y = ((-3) + 7)^{2}
Step 2 ：Simplify the equation: y = (4)^{2}
Step 3 ：Calculate the value: \(\boxed{y = 16}\)
