Illustrative Math - Algebra 1 - Unit 7 - Lesson 1 - Formative Library | Library

A square picture has a frame that is 3 inches thick all the way around. The total side length of the picture and frame is x inches.

Which expression represents the area of the square picture, without the frame? If you get stuck, try sketching a diagram.

(2x+3)(2x+3)

(x+6)(x+6)

(2x-3)(2x-3)

(x-6)(x-6)

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The revenue from a youth league baseball game depends on the price of per ticket, x.

Here is a graph that represents the revenue function, R.

Select all the true statements.

R(5) is a little more than 600.

R(600) is a little less than 5.

The maximum possible ticket price is $15.

The maximum possible revenue is about $1,125.

If tickets cost $10, the predicted revenue is $1,000.

If tickets cost $20, the predicted revenue is $1,000.

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A random sample of people are asked to give a taste score—either "low" or "high"—to two different types of ice cream. The two types of ice cream have identical formulas, except they differ in the percentage of sugar in the ice cream.

What values could be used to complete the table so that it suggests there is an association between taste score and percentage of sugar? Explain your reasoning.

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This lesson is from Illustrative Mathematics. Algebra 1, Unit 7, Lesson 1. Internet. Available from https://curriculum.illustrativemathematics.org/HS/teachers/1/7/1/index.html ; accessed 26/July/2021.

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