Adding and Subtracting Numerical and Algebraic Expressions

(4y - 8) - (3y - 9)

• 7y - 17

• y + 1

• y - 17

• 7y + 17

(9v-8w)-(8v-9w)

• v+w

• v-w

• 17v+w

• 17v-17w

• A
• B
• C
• D

Find the difference (2x + 5) − (x + 4).

• x + 1

• 3x + 9

• −x + 1

• x + 9

Evaluate
y + y + c - 10 + x
if x = 7, y = 10, and c = 8

• 11

• 21

• 25

• 105

Maria has $100 and deposits d dollars in to her bank account. She now has $280.

• d-100=280

• 280-d=100

• 100+d=280

• 280+d=100

What is the number in front of a variable?

• Constant

• Coefficient

• Variable

• Term

an expression made up of 3 mathematical items; variables, numbers, and operations

• Expression

• Numerical Expression

• Algebraic Expression

Each part of an algebraic expression separated by a plus or mins sign

• Coefficient

• Constant

• Variable

• Term

adding or subtracting terms with the same variables and exponents

• Substitute

• Distributive Property

• Combining Like Terms