Question

Evaluate the expression 3x2 + y if x = 1 and
y = -3.

Answer 1

3•1•2-3=3 is the answer

Answer 2

3x^2 + y = ?

3(1)^2

3^2
3*3 = 9

9 + y =
9 + (-3) =

9 - 3 = 6

Hope this helped