Polynomial Review --- Extra Credit

Which polynomial is written in Standard From?

• $-3x+8x^{2\ }+9x^3-10$

• $9x^3+8x^2-3x-10$

• $8x^2+9x^3-10-3x$

• $-10-3x+8x^2+9x^3$

What is the leading coefficient of this polynomial?
 $7x^2+4x^5+x-10$  

• 7

• 4

• 1

• -10

What is the constant of this polynomial?
 $x^3-2x_{ }^2+3x^6-8$  

• 1

• -2

• 3

• -8

If you would like to add or subtract polynomials. what are the conditions must be met? (You may select more than one answer)

• They must have the same variables

• They must have the same coefficients

• They must have the same exponents

• They must have the same constant

The number in front of the variables is called the ____

• exponent

• base

• coefficient

• fronter

which pair is an example of like terms?

• 2a and 2b

• $x\ \$ and $\ x^3$

• $5z\ \$ and $\ 5z^2$

• $y^{2\ }\$ and $3y^2$

find the sum of the polynomial:
 $\left(2x^2+5x-7\right)+\left(3-4x^2+6x\right)$  

•  $2x^2+3x+3\$  

•  $-2x^2-11x-4$  

•  $2x^2+5x-7$  

•  $-2x^2+11x-4$  

Find the difference of the polynomial:
 $\left(3-2x+2x^2\right)-\left(4x-5+3x^2\right)$  

•  $x^2+6x+8$  

•  $2x^2+5x-8$  

•  $-x^2-6x+8$  

•  $-2x^2+11x-4$  

when you multiply the like base (eg.  $x^2\cdot x^3$  ), you ____exponents.

• multiply

• add

• subtract

• divide

multiply:  $\left(5x^3\right)\left(6x^5\right)$  

•  $11x^8$  

•  $30x^8$  

•  $11x^{15}$  

•  $30x^{15}$