Language of Algebra
Substitution and Equivalence
Adding and subtracting
Multiplying and Dividing
100

The letters used in algebra are called:

Pronumeral or variable

100

Substitute x=3, evaluate 5x

15

100

Simplify the following: 7t+2t-3t

6t

100

Simplify: 7d x 9

63d

200

True or false: the constant term in the expression in 5x + 7 is 5

False

200

Substitute y=6 and x=3, evaluate 5x2+2y

57

200

Simplify -4x2 + 3x2

-x2

200

Simplify: -5xy * 2yz

-10xy2z

300

What is the coefficient in the expression: -3x+7

-3

300

are a+b and b+2a-a equivalent expressions?

Yes

300

What is an expression for the perimeter of a rectangle with length 3x and breadth 4x in simplest form

perimeter =14x

300

Simplify:
2x2y * 5yx2
________
   12xy

5x3y
____

6