Math 1 March 15 B Cohort + ALL remote

Math 1

March 15, 2021

GCF & Factoring By Grouping

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Multiple Choice

Quiz 19 Review Question: Go look up what you answered, keep it the same if it was correct.

The table below shows the attendance at a festival each year since it first began in 2002. Using a linear line-of-best-fit model, approximately what is the predicted attendance for the year 2012?

• 141,000

• 166,000

• 126,000

• 131,000

Multiple Choice

Quiz 19 Review Question: Go look up what you answered, keep it the same if it was correct.

Trey recorded the high temperature, in degrees Fahrenheit, for 5 days and the number of ice-cream cones his shop sold on each of those days. The data can be modeled with a linear function. What is the meaning of the rate of change?

• For every 10-degree increase in temperature, the number of ice-cream cones sold each day increases by 3.

• For every 10-degree increase in temperature, the number of ice-cream cones sold each day increases by 2.

• For every 1-degree increase in temperature, the number of ice-cream cones sold each day increases by 2.

• For every 1-degree increase in temperature, the number of ice-cream cones sold each day increases by 3.

Multiple Choice

Quiz 19 Review Question: Go look up what you answered, keep it the same if it was correct.

Which expression is equivalent to    $\left(x+6\right)\left(x-5\right)$  ?

•  $x^2-30$  

•  $x^2-x-30$  

•  $x^2+x-30$  

•  $x^2+11x-30$  

Multiple Choice

Quiz 19 Review Question: Go look up what you answered, keep it the same if it was correct.

A student solved an equation for the unknown value of n as 0 =0. Which set represents all of the possible values of n?

• only negative numbers can be the solution

• any number can be the solution

• only zero can be the solution

• only positive numbers can be the solution

Fill in the Blank

Quiz 19 Review Question: Go look up what you answered, keep it the same if it was correct.

The four defensive linemen on a football team compared their weights as follows: Danny weighs 15 pounds more than Ben. Sam is 20% heavier than Danny. Anthony weighs 215 pounds, which is 10 pounds less than Ben. How many pounds does Sam weigh?

Multiple Choice

Quiz 19 Review Question: Go look up what you answered, keep it the same if it was correct.

Andrew wants to buy new shirts for his job.

Andrew wants to buy at least 5 new shirts to wear to his new job.

Short sleeve shirts cost $14 each and long sleeve shirts cost $18 each. Andrew wants to spend no more than $100.

Which system of inequalities can be used to find how many short sleeve shirts, x, and how many long sleeve shirts, y, he can buy?

• $x+y\le5$
  $14x+18y\ge500$
  

• $x+y\ge5$
  $14x+18y\le100$
  

• $x+y\le5$
  $14x+18y\ge100$
  

• $x+y\ge5$
  $14x+18y\le500$
  

Fill in the Blank

Mrs. Parl has a rectangular flower garden that measures 50 inches by 34 inches. She uses a piece of wood to divide the garden through a diagonal into two equal triangular sections. What is the approximate perimeter of one of her sections? Round to the nearest whole number.

Fill in the Blank

Simplify. Your answer should only contain positive exponents. Use ^ for exponents. Write answers in alphabetical order. 

 $\frac{\left(x^{-3}y^4\right)^{-4}}{x\times2x^{-4}y^2}$  

Fill in the Blank

Adam and Jasmine are selling flower bulbs for a school fundraiser. Customers can buy bags of windflower bulbs and packages of crocus bulbs. Adam sold 8 bags of windflower bulbs and 10 packages of crocus bulbs for a total of $220. Jasmine sold 14 bags of windflower bulbs and 12 packages of crocus bulbs for a total of $286. Find the cost each of one bag of windflower bulbs and one package of crocus bulbs.

(windflower, crocus)

Fill in the Blank

Solve each equation, list both answers. Write as a decimal if applicable.
(smallest number, largest number)

 $5-8\left|4+2x\right|=-11$  

Fill in the Blank

A metallurgist needs to make 8 kg of an alloy containing 86% gold. She is going to melt and combine one metal that is 84% gold with pure gold. How much of each should she use?

(84% gold, pure gold)

Fill in the Blank

It takes Stephanie 14 hours to clean an attic. Arjun can clean the same attic in 11 hours. If they worked together how long would it take them? Round to the nearest hundredth.

Fill in the Blank

Find the distance between each pair of points. Round your answer to the nearest tenth, if necessary.

 $\left(2,-4\right),\left(-2,8\right)$  

Fill in the Blank

Write the slope-intercept form of the equation of the line through the given points. Write as a fraction.



 $\left(-4,-3\right),\left(-2,1\right)$  

Fill in the Blank

What is the x value of the x intercept of the linear equation below?

 $y=2x+5$  

Open Ended

 $\left(7b-1\right)\left(2b+1\right)$  

Find the product.

Open Ended

 $\left(6a+7\right)\left(3a^2-3a+6\right)$  

Find the product.