Evaluating Algebraic Expressions and Equivalent Expressions

Which expression represents: "the product of 3 and x increased by 5"?

• 5x - 3

• 3 - 5x

• 3x + 5

• 3x(5)

Evaluate each expression for the given value of the variable.

a + 6; a = 2

Evaluate each expression for the given value of the variable.

7(m - 6); m = 8

Evaluate each expression for the given value of the variable.

7m - 6; m = 8

Evaluate 3x + 8   if x = 2

• 13

• 14

• 15

• 16

Evaluate the expression when x = 3. 
2x² - 5

• 31

• 12

• 7

• 13

A cell phone company charges $40 per month plus a $35 activation fee. You can use the expression 40m + 35 to find the amount you would pay after m months. If you plan on having the cell phone for 6 months, how much would you pay?

• $441

• $81

• $275

• $355

What is the value of the expression h - 20 when h = 60?

• 30

• 40

• 80

• 120

What is the value of the expression, if p = 22?
p + 22

• 144

• 66

• 22

• 44

Equivalent ​ (a)   are two, or more, numerical, or algebraic expressions that are ​ (b)   the same.

• expressions

• exactly

• similar

• different

• opposite

• not equal

• inequalities