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Laabri

Formal Formative 1: Inequalities and Absolute Values

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Last updated about 2 years ago
11 Nsɛmmisa

Simple and Familiar (1 - 2)

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Complex and Familiar (3 - 4)

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Challenging and Familiar (5 - 6)

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Challenging and Unfamiliar (7 - 8)

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Asemmisa {{asɛmmisaAhyɛnsode}}
1.

Plot the following inequality on a number line

where x is a rational number

Asemmisa {{asɛmmisaAhyɛnsode}}
2.

What values of x make sense in this equation? Plot your answer on a number line.

Asemmisa {{asɛmmisaAhyɛnsode}}
3.

What is the inequality that describes the inequality shown below:

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4.

Solve the following inequality:

Represent as a set

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5.

What inequality does the following number line represent?

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6.

Find the value of x:

Asemmisa {{asɛmmisaAhyɛnsode}}
7.

Solve the following inequality:

Plot your answer on a number line.

Asemmisa {{asɛmmisaAhyɛnsode}}
8.

Plot the following inequality on the graph sheet provided to you:

Attach the image of the graph here.

Asemmisa {{asɛmmisaAhyɛnsode}}
9.

Nine added to one-seventh of the absolute value of half a number is eight. What is the number?

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10.

While conducting market research a toothpaste company finds that the business is not profitable once the cost crosses the Rs 150 mark. However, it is also impossible for them to go below Rs 40 because of the cost of production.

a. Create an inequality to show the situation described here.

b. Since paisa coins are widely out of circulation, they have decided to leave the price as whole numbers. How can you represent the situation using sets?

Asemmisa {{asɛmmisaAhyɛnsode}}
11.

A combined purchase of The Lord of the Rings and the Harry Potter series cost less than $200. The Harry Potter alone could cost up to $70.

a. Use DESMOS to plot the two inequalities

b. Write down 3 possible values for either set of books.