Evaluate the expression. -4x^1+y^0 For x=7 and y=5

Question

Evaluate the expression. -4x^1+y^0 For x=7 and y=5

Answer 1

-27

anything raised to the zero power = 1

y^0 = 1 = (5)^0

anything raised to the 1 power = itself

x^1 = x, 7^1 = 7

-4(7)+1 = -28+1 = -27