Math 1 March 19 A Cohort + ALL REMOTE

Math 1

March 19, 2021

Open Ended

Find the product.

 $\left(3v-8\right)\left(2v+5\right)$  

Open Ended

Find the product.

 $\left(7x+1\right)\left(2x^2-5x-8\right)$  

Open Ended

Factor the polynomial completely.

 $49n^3+42n^2+21n+18$  

Multiple Choice

Assessment 19 Review Question. Go look up what you answered.

Simplify. Your answer should contain only positive exponents. 

 $\frac{\left(2x^3y^{-4}\right)^2\times x^{-1}y^6}{2yx^5}$  

•  $\frac{2}{y^3}$  

•  $\frac{x^{10}}{32y^{33}}$  

•  $\frac{4}{xy^{22}}$  

•  $\frac{16y^{36}}{x^8}$  

Fill in the Blanks

Multiple Choice

Assessment 19 Review Question. Go look up what you answered.


The volume of a spherical tank is given by    $v=\frac{4}{3}\pi r^3$  If the volume of the tank is known, which expression can be used to find its radius? 

•  $3\sqrt{\frac{4\pi}{3V}}$  

•  $3\sqrt{\frac{3V}{4\pi}}$  

•  $3\sqrt{\frac{3\pi}{4V}}$  

•  $3\sqrt{\frac{4V}{3\pi}}$  

Multiple Choice

Assessment 19 Review Question. Go look up what you answered.

Which scenario is best modeled by a linear function?

• the height of a rocket x seconds after it is launched from a 20-foot tall platform

• the total price paid for x shirts that are on sale for half off

• the total population of a town that has changed by 2% every x years

• the amount of a radioactive element that decreases by half every x 10-year periods

Multiple Choice

Assessment 19 Review Question. Go look up what you answered.

What of the following is the graph of the equation    $9x-4y=16$  

Multiple Choice

Assessment 19 Review Question. Go look up what you answered.

Andrew purchased a car for $19,500. The value of the car depreciates at a rate of 8.6% each year. Which equation models the value of Andrew’s car, y, after x years?

• $y=19,500\left(1.086\right)^x$

• $y=19,500\left(0.914\right)^x$

• $y=19,500\left(1.914\right)^x$

• $y=19,500\left(0.086\right)^x$