Math 1 March 16 Cohort B + ALL remote

Math 1

March 16, 2021

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



 $\left(4,4\right),\left(1,-5\right)$  

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What is the x value of the x intercept of the linear equation below? Write as a fraction or decimal rounded to the nearest hundredth. 

 $y=3x-8$  

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A flat 12 foot plank rests with one end on the ground and the other end upon 4 foot ledge. How far from the base of the ledge is the far end of the plank? Round to the nearest tenths.

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

 $\frac{2x^4\times2xy^4}{\left(2y^3\right)^{-2}}$  

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How much silt do you need to add to 3 ft³ of soil with 20% silt in order to make a soil with 40% silt?

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Brand M Cinnamon which costs $11/lb is made by combining Indonesian cinnamon which costs $9/lb with Thai cinnamon which costs $12/lb. Find the number of lb of Indonesian cinnamon and Thai cinnamon required to make 9 lb of Brand M Cinnamon.

(Indonesian Cinnamon, Thai Cinnamon)

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Heather can sweep a porch in 13 minutes. Ming can sweep the same porch in 8 minutes. Find how long it would take them if they worked together. Round to the nearest hundredth.

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

 $\left(2,-5\right),\left(6,1\right)$  

Open Ended

Find the product.

 $\left(x-5\right)\left(7x+6\right)$  

Open Ended

Find the product.

 $\left(x-1\right)\left(x^2-4x-4\right)$  

Open Ended

Factor Completely.

 $25x^3-30x^2-20x+24$  

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Assessment 19 Review. Go look up what you answered. If it was correct keep the same answer.

Ron can rake and bag the leaves in his backyard in 3 hours, while his brother Mark can do the same job in 5 hours. How many hours will it take them to rake and bag the leaves in their backyard if they work together?

Multiple Choice

Assessment 19 Review. Go look up what you answered. If it was correct keep the same answer.

A cell phone plan costs $49 per month for 200 minutes. For each minute over 200, the customer is charged an additional $0.10 per minute. Which equation could be used to calculate the monthly bill, y, if a person talked x minutes over 200 in a month?

• 
  

  $y=0.1\left(x-200\right)+49$
  

• $y=0.1x+49$

• $y=0.1x+249$

• $y=0.1\left(200-x\right)+49$

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Assessment 19 Review. Go look up what you answered. If it was correct keep the same answer.

Adult and student tickets were sold for a school concert. The adult tickets cost $12 each, and the student tickets cost $8 each. If a total of 360 tickets were sold for $3,480, how many of student tickets were sold?

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Assessment 19 Review. Go look up what you answered. If it was correct keep the same answer.

John has 40 milliliters of a 20% solution of ferrous sulfide. He wants a 30% solution. How many milliliters of a 50% solution should John add to obtain the required 30% solution?

Multiple Choice

Assessment 19 Review. Go look up what you answered. If it was correct keep the same answer.

A store sells a 4-pound mixture of plain and spinach noodles for $1.20 per pound. Plain noodles sell for $0.75 per pound. Spinach noodles sell for $1.75 per pound. How much of each type of noodle was used to make the mixture?

• 2 pounds of plain noodles and 2 pounds of spinach noodles

• 2.2 pounds of plain noodles and 1.8 pounds of spinach noodles

• 1.8 pounds of plain noodles and 2.2 pounds of spinach noodles

• 3 pounds of plain noodles and 1 pound of spinach noodles