Question

Choose the best definition for the following term: algebraic expression

A mathematical expression consisting of a constant that is raised to some power

The number or value being raised to a power

A number or group of numbers that are added, subtracted, multiplied or divided

A number, a variable, or group of numbers and variables that are added, subtracted, multiplied or divided

Answer 1

#2 Evaluate the following expression using the given values:

Find x - 3y if x = 3 and y = -2.

-9

-3

3

9

Answer 2

#3 Simplify the following expression:

a + 2c - 5b - c + a - b

2a - 6b + 2c

2a - 6b + c

a - 6b + c

a - 5b + 2c

Answer 3

algebraic expressions... I am pretty sure you know what algebra means right? technically, what it functions?

Answer 4

hint: you are using algebra now. if you are using algebra now, then that means that you have an expression or two that shows what an algebra expression is. what do you think what an algebraic expression is?

Answer 5

A number, a variable, or group of numbers and variables that are added, subtracted, multiplied or divided? @calculusxy

Answer 6

correct

Answer 7

question two: you know how to use the order of operation right?

Answer 8

no @calculusxy

Answer 9

PEMDAS

Answer 10

im not from the u.s @calculusxy

Answer 11

where are you from?

Answer 12

uk @calculusxy

Answer 13

me too. I thought you were from the us that's why I thought that. okay pretty sure BEDMAS right?

Answer 14

yesss @calculusxy

Answer 15

okay. now use this for evaluating this:
3 - 3(-2)

remember you are just substituting the number in the x and/or the y place.

Answer 16

do you get it?

Answer 17

yes thank you. @calculusxy