### Home > CA > Chapter Ch7 > Lesson 7.3.3 > Problem 7-109

7-109.

Evaluate the expressions below for the given values. Homework Help ✎

−2

*x*^{2}− 3*x*+ 1 for*x*= −38− (3

*x*− 2)^{2}for*x*= −2for

*k*= −3−

*m*^{2}+*n*for*m*= 1,*n*= 2

Substitute the given value in for the variable and then follow the order of operations to evaluate.

−2(−3)^{2} − 3(−3) + 1

−2(9) − (−9) + 1

−18 +10

−8

Follow the steps shown in part (a) to solve part (b).

−56

Use the same strategy as part (a) to solve part (c).

See the method used in part (a) for help solving part (d). Remember to substitute for both variables.