1.7 Algebraic Expressions

How many "terms" in the following algebraic expression?
 $2x^2-6x+9$ 

• 5

• 6

• 3

• 4

Simplify the Expression: 3h +7(2 + 4h)?

• 21h

• 7h + 20

• 45h

• 31h +14

Simplify:

4( x + 1 ) - 2x

• 4x + 4

• 2x + 4

• 2x - 4

• 6x

Simplify the algebraic expression:

 $\frac{2x}{3}+\frac{4x}{3}-\frac{1}{3}$  

•  $\frac{5x}{3}$  

•  $\frac{6x-1}{3}$  

•  $\frac{6x\ -1}{9}$  

•  $\frac{3x}{3}$  

Which expression is the same as 9 more than 6 times a number?

• 6n + 9

• 9n + 6

• 6 + n + 9

• 9 + 6n

Translate to an algebraic expression:

7 subtracted from the sum of a number and 3?

• 7 - 3n

• 7n + 3

• n - 7 + 3

• (n + 3) -7

 $3x^3+x^2-2x^{3\ }+2x^2-1$  

•  $x^3+3x^2-1$  

•  $x^{3\ }+x^{2\ }-1$  

•  $4x^5-1$  

The coefficient of the expression  $-x^3$ is: ________

Identify the "leading term" of the following expression:
 $-3x^3-5x^2+2x-7$ 

•  $-3$  

•  $x^3$  

•  $-3x^3$  

•  $-7$  

Translate into an algebraic expression or equation:

"The product of a number and the next consecutive even number is 6".

• $x+2x=6$

• $x+\left(x+2\right)=6$

• $x+2=6$

• $x+\left(x+1\right)=6$