Expressions (&equations review)

evaluate expressions

100

Evaluate the expression when x = 1, y = 2, and a = 3:  2x + 3y - a + 4 

2(1) +3(2) -(3) +4

2 + 6 - 3 + 4

9

200

Evaluate the expression when x=3 y=1 and a=4:

5x - 2y + a + 6

5(3) -2(1) + (4) + 6

15 -2 +4 +6

23

300

Evaluate the expression when x=2 y=4 a=1:

3x + 4y - 2a - 5

3(2) + 4(4) -2(1) -5

6 +16 -2 -5

15

400

Evaluate the expression when x=5 y=3 a=2:

4x - 3y + 5a - 10

4(5) -3(3) +5(2) -10

20 -9 +10 -10

11

500

Evaluate the expression when x=4 y=2 a=3:

6x + 2y - 4a + 8

6(4) +2(2) -4(3) +8

24 + 4 - 12 + 8

24

solve equations

100

solve for x:

2x + 3= 11 

x=4

200

solve for x:

3x - 4 = 14

x = 6

300

solve for x:

5x + 7 = 32

x= 5

400

solve for x:

6x - 8 = 34

x = 7

500

solve for x:

4(2x -1) + 3 = 25

x = 4

standard form

100

combine like terms to put the expression into standard form: 2x + 3 - (x + 1) + 4

2x - x - 1 + 3 + 4

x + 6

200

combine like terms to put the expression into standard form:5x - 2(3x -1) + 7

5x - 6x + 2 + 7

-x + 9

300

combine like terms to put the expression into standard form:   4x + 3 - (2x +5) + 6x - 2

4x - 2x - 5 + 3 + 6x -2

2x +6x -5 + 3 -2

8x - 4

400

combine like terms to put the expression into standard form:    3(2x - 1) + 4x - (x + 2) + 5

6x - 3 + 4x -x -2 + 5

6x + 3x -3 -2 +5

9x

500

combine like terms to put the expression into standard form:  7 - 3(x + 4) + 2(2x -1) + x

7 -3x -12 + 4x - 2 + x

-3x + 4x + x + 7 -12 -2

-x + x -7

-7

distribute

100

create an equivalent expression for  the following:

3(x + 2)

3x + 6

200

create an equivalent expression for  the following:

-6(3x + 4)

-18x - 24

300

create an equivalent expression for  the following:

-2(x-8)

-2x + 16

400

distribute and combine like terms to create an equivalent expression:

-3(2x + 6) + 8

-6x - 18 + 8

-6x -10

500

distribute and combine like terms to create an equivalent expression:

-7(4x - 5) -40

-28x +35 - 40

-28x -5

factor

100

factor to create an equivalent expression:

4x + 20

4(x + 5)   or    2(2x + 10)

200

factor to create an equivalent expression:

22x - 33

11(2x -3)

300

factor to create an equivalent expression:

3x + 6y + 9z + 21

3(x + 2y +3z + 7)

400

factor to create an equivalent expression:

28x - 12y - 16

4(7x - 3y - 4)   or    2(14x -6y -8)

500

factor to create an equivalent expression:

24x - 6y - 18z - 36

3( 8x - 2y - 6z - 12)

random

100

What popular Netflix series features a group of kids solving supernatural mysteries in the 1980s?

Stranger Things

200

Which K-Pop group is known for hits such as "Dynamite" and "Butter" ?

BTS

300

Which element has the chemical symbol, Fe?

Iron

400

What vegetable was originally used to carve jack-o'-lanterns before pumpkins became popular?

Turnips

500

In the movie "The Nightmare Before Christmas," who is the Pumpkin King?

Jack Skellington