Long division

Long division

SAT Prep question

Multiple Choice

What is the x-intercept

• -1/4 and 3/4

• 1/4 and -3/4

• 1/4 and -5/8

• -1/4 and -5/8

• 1/4 and 5/8

Objective: Today we will learn to use long division to divide polynomials.

On Friday we will have a quiz on the following topics

Factoring

Completing the square

Quadratic equation

and

graphing a quadratic (Vertex, line of symmetry, x-intercepts and y-intercept

Long division

Multiple Choice

Divide

 $\left(2r^2+20r\right)\ \div\left(r+10\right)$  

• 2r

• r

• 4r

• -6r

Multiple Choice

 $\left(9x^{22}-48x-39\right)\div\left(x-6\right)$  

Divide

•  $9x+6$  

•  $9x+6-\frac{3}{x-6}$  

•  $9-6x+\frac{3}{a-6}$  

•  $9x+8-\frac{3}{x-6}$  

Multiple Choice

 $\left(-10x^3+49x^2+5x\right)\div\left(x-5\right)$  

Divide

•  $10x^2+x$  

•  $10x^2-x$  

•  $-10x^2-10$  

•  $-10x^2-x$