Dealing With Variables

Terms

100

What is a Term?

A number (5), a variable (x), or a product of both (5x)

200

How many terms in this equation?

2x+3+y

3

300

What are the like terms and unlike terms in this equation?

2x+7x²+7+8x

Like:2x and 8x

Unlike: 7x², 7

400

How many terms in this equation?

7+y+y3+6x+9

5

500

What are the like terms and unlike terms in this equation?

7+8y+9x³+5+7x+4y+x³

Like: (8y and 4y), (7 and 5), 9x³ and x³)

Unlike: 7x

Find the Value (A/S)

100

33+y=102

y=64

200

k-21=72

k=93

300

102+e+98=331

e=131

400

r-54-23=10

r=87

500

200+103-34+x=500

x=231

Find the Value (M/D)

100

14u=42

u=3

200

bx9=72

b=8

300

p/5=14

p=70

400

s/9=12

s=108

500

112/s=16

s=7

Solve knowing the value of the Variable

100

3y+7=?, if y=5

3(5)+7

15+7

23

200

50-3i=?, if i=6

50-(3)(6)

50-36

14

300

5b+8+6b=?, if b=4

(5)(4)+8+(6)(4)

20+8+24

52

400

3px2pxp=, if p=2

(3)(2)x(2)(2)x3

6x4x2

48

500

(6y)(7y)=?, if y= 6

[(6)(6)][(7)(6)]

(36)(42)

1512

Solve knowing the value of 2 Variables

100

3x+8y=?, if x=4 and y=2

(3)(4)+(8)(2)

12+16

28

200

a+ab+b=?, if a=3 and b=5

3+(3)(5)+5

3+15+5

23

300

9i-5c=?, if i=4 and c=7

(9)(4)-(5)(7)

36-35

1

400

2(6m-5v)=, if m=3 and v=2

2[(6)(3)-(5)(2)]

2(18-10)

2(8)

16

500

6c(6x+2y)=?, if c=2, x=3, and y=4

(6)(2)[(6)(3)+(2)(4)

12(18+8)

12(26)

312