Unit 1 - Evaluating and Solving

Evaluating Linear Functions

100

f(x)=7x-5;  evaluate for 

 x=6

f(6)=37

200

 f(x)=9x+3;  evaluate for

x=-10

f(-10)=-87

300

 f(x)=-8x-9 ; find

f(-3)

f(-3)=15

400

 f(x)=3(2x+7); evaluate for  x=4 

f(4)=45

500

 f(x)=-4(x+3)-14;  find

f(2)

f(2)=-34

Evaluating Nonlinear Functions

100

 f(x)=4x^2; find  f(3) 

f(3)=36

200

 f(x)=x^2-3x ; evaluate for  x=1 

f(1)=-2

300

 f(x)=3^x-5x; evaluate for  x=4 

f(4)=61

400

 f(x)=abs(x+2)+3 , find

f(-6)

f(-6)=7

500

Challenge:  f(x)=x^2; find 

f(a+4)

f(a+4)=a^2+8x+16

Solving Linear Equations

100

Solve for x:  3x-12=0 

x=4

200

 f(x)=8x-3; find the value of x that makes  f(x)=-19 

x=-2

300

Solve for x: 

6-x=9

x=-3

400

 f(x)=12x+30; find the value of x that makes  f(x)=-6 

x=-3

500

Solve for x:  x/3+6=-5 

x=-33

Solving Equations with Variables on Both Sides

100

Solve for x:  -5x+3=2x+10 

x=-1

200

Solve for x: 

-5x+3=2x+10

x=-1

300

Solve for x:  -x-2=6x-12 

x=10/7 or 1.43

400

Solve for x:  2x+8=-3(x+5) 

x=-23/5 or -4.6

500

Solve for x: 

-2(4-x)=6(x+2)

x=-5

Teacher trivia

100

Where did Ms. Rossi work before Manual?

DC-21

200

Ms. Rossi is a triplet. is she the oldest, youngest, or middle of the 3? (Bonus points if you can guess which baby I am!!)

Oldest

300

What did Ms. Rossi study in college?

Engineering

400

Who is Ms. Rossi's favorite basketball player?

Jayson Tatum :)

500

When she was a kid, Ms. Rossi lived on the same black as a famous rapper (RIP) did when he was growing up. Who was it?

Biggie Smalls!