To find the value of the expression 5x^2 + 2y when x = -3 and y = 0.25, we substitute these values into the expression:
5(-3)^2 + 2(0.25)
Simplifying the expression inside the parentheses:
5(9) + 2(0.25)
Multiplying:
45 + 0.5
Adding:
45.5
Therefore, 5x^2 + 2y when x = -3 and y = 0.25 is equal to 45.5.
`5x^{2}+2y` when `x\ =\ -3` and `y\ =0.25`.
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