Simplifying Expressions Quiz LIVE 8/24/22

Definition of a coefficient.

• Parts of an expression separated by + and - signs
• The number multiplied times a product of variables or powers of variables in a term
• A term or expression with no variables
• The numbers or expressions that when multiplied produce a given product

In the following expression, the number 11 is an example of _____________?
5x³ - 7x + 11

• term
• constant
• coefficient
• variable

Identify the variable in the expression 5y+7?

• x

• 5y

• y

• 7

Simplify the expression:
6 + 2(7x - 3) 

• 12 + 7x
• 14x
• 14x + 3
• 9 + 7x

Simplify the expression:
8(5 + w)

• 40 + w
• 40+8w
• 85 + 8w
• 13+8w

8(x+5) - 4(x+4)

• 2x + 10
• 2x + 21
• 4x + 24
• 4x - 8

An algebraic expression consists of... (Select all that apply)

• numbers

• variables

• equals sign

• operations

Football scoring consists of...

Touchdown (t) = 6 points

Field Goal (f) = 3 points

Extra Point (x) = 1 point

Safety (s) = 2 points

Which algebraic expression matches the scoring system?

• 6t + 3f + 1x + 2s

• t + f + x + s

• 7t + 3f + 1x + 2s

• 2t + 1f + 6x + 2s

The coefficient is a number multiplied by a variable. It is the number in _______________ of the variable.

• in front

• behind

Identify the algebraic expression for: a number minus eighteen

• 18 - n

• n - 18

• n + 18

• 18 + n