Open Up - Grade 8 - Mathematics - Unit 7 - Lesson 12
By Formative Library
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Last updated almost 3 years ago
5 Questions
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1.
Which is larger: the number of meters across the Milky Way, or the number of cells in all humans? Some useful information:- The Milky Way is about 100,000 light years across.
- There are about 37 trillion cells in a human body.
- One light year is about 10^6 meters.
- The world population is about 7 billion.
Which is larger: the number of meters across the Milky Way, or the number of cells in all humans?
Some useful information:
- The Milky Way is about 100,000 light years across.
- There are about 37 trillion cells in a human body.
- One light year is about 10^6 meters.
- The world population is about 7 billion.
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2.
Ecologists measure the body length and wingspan of 127 butterfly specimens caught in a single field.
Draw a line that you think is a good fit for the data.(Show Your Work)
Write an equation for the line.(Short Answer)
Ecologists measure the body length and wingspan of 127 butterfly specimens caught in a single field.
Draw a line that you think is a good fit for the data.(Show Your Work)
Write an equation for the line.(Short Answer)
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3.
Ecologists measure the body length and wingspan of 127 butterfly specimens caught in a single field.
What does the slope of the line tell you about the wingspans and lengths of these butterflies? (Short Answer)
Ecologists measure the body length and wingspan of 127 butterfly specimens caught in a single field.
What does the slope of the line tell you about the wingspans and lengths of these butterflies? (Short Answer)
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4.
Diego was solving an equation, but when he checked his answer, he saw his solution was incorrect. He knows he made a mistake, but he can’t find it.
Diego was solving an equation, but when he checked his answer, he saw his solution was incorrect. He knows he made a mistake, but he can’t find it.
Where is Diego’s mistake and what is the solution to the equation?
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5.
The two triangles are similar. Find x.
The two triangles are similar. Find x.
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