Foundations for Algebra

Foundations for Algebra

Multiple Choice

What do we call "x" in "x+5"

• Constant

• Operator

• Coefficient

• Variable

Multiple Choice

What do we call "2" in "2x+5"

• Constant

• Coefficient

• Variable

• Operator

Multiple Choice

What operation is between 2 and x in "2x+5"

• addition

• multiplication

• division

• sum

Multiple Choice

What do we call "+" in "16x+17y"

• Constant

• Coefficient

• Operator

• Variable

Multiple Choice

What do we call "13" in "17z + 13=30"

• Constant

• Variable

• Operator

• Coefficient

Multiple Select

Which one(s) is a "Numerical expression"

• 88y + 16

• 13 + 7 - 88

• 8yx + 6ab

• (11 - 4) * 5

Multiple Select

Which one(s) is an "Algebraic expressions"

• 55x

•  $(55+65)^{2\ \ }$  
  

•  $\frac{\left(t+6\right)^2}{3t-1}$  

• 10

Algebraic Expression

In mathematics, an algebraic expression is an expression built up from integer constants, variables, and the algebraic operations. For example, 3x² − 2xy + 4 is an algebraic expression.

Multiple Choice

What is the verbal expression that representes  

 $\frac{r^4}{9}$  

• r times 4 divided by 9

• r to the fourth power divided by 9

• r divided by 9 times 4

Multiple Select

Choose the right way(s) to write 100 + y in words

• 100 increased by y

• 100 plus y

• sum of 100 and y

• 100 more than y