Question

D. Expression
rections Read each item carefully. Encircle the letter of the correct
1. Any letter or symbol that represents a number is called
A Constant
B. Variable
C. Equation
2. What is an algebraic expression?
A Mathematical phrase that uses variables, numerals, and symbols
B. Mathematical phrase that do not use variables
C. Mathematical phrase that only use variables
D. Mathematical phrase that uses variables and symbols
3. Translate to algebraic expression: Eighteen less than half a number.
An - 18-Eighteen less than half a number
B. % n - 18-Eighteen less than half a number
C. yn - 18--Eighteen less than half a number
D. % n - 18--Eighteen less than half a number
4. Illustrate this word phrase into algebraic expression: The sum of a num
5 is twelve.
A. a number
plus
five
is
twelve
5
five
12.
twelve
B. a number
plus
is
5
a
12
| }, }, 新
E]"}}.]
C. a number
plus
five
is
twelve
a
12
5
D. a number
plus
five
is
twelve​

Answer 1

Answer:

1. variable

2. mathematical Pharas that use variables numberals and symbols

3. 18 less than half a number

4.a number plus 5 is twenty

Step-by-step explanation:

I hope it's helpful