### Home > INT1 > Chapter A > Lesson A.1.5 > Problem A-56

A-56.

Calculate the following values.

If

, what is the value ofwhen?Substitute −6 in for

*x*.*y*= 2 + 4.3( −6 )Multiply and simplify.

*y*= 2 + (−25.8)*y*= −23.8If

^{ }what is the value of?Follow the steps in part (a).

Remember to use the correct order of operations.

If

, what is the value ofwhen?Begin by substituting

for in the equation.If

, what is the value ofwhen?Rewrite the equation as

.