Open Up - Grade 8 - Mathematics - Unit 8 - Lesson 8
By Formative Library
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Last updated about 3 years ago
12 Questions
1 point
1
Question 1
1.
Find the exact value of each variable that represents a side length in a right triangle.
8.G.7
1 point
1
Question 2
2.
A right triangle has side lengths of a, b, and c units. The longest side has a length of units.
Complete each equation to show three relations among a, b, and c.
c^{2} =
8.G.7
1 point
1
Question 3
3.
A right triangle has side lengths of a, b, and c units. The longest side has a length of units.
Complete each equation to show three relations among a, b, and c.
a^{2} =
8.G.7
1 point
1
Question 4
4.
A right triangle has side lengths of a, b, and c units. The longest side has a length of units.
Complete each equation to show three relations among a, b, and c.
b^{2} =
8.G.7
1 point
1
Question 5
5.
What is the exact length of each line segment? (Each grid square represents 1 square unit.)
8.G.7
1 point
1
Question 6
6.
What is the exact length of each line segment? (Each grid square represents 1 square unit.)
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1 point
1
Question 7
7.
What is the exact length of each line segment? (Each grid square represents 1 square unit.)
8.G.7
1 point
1
Question 8
8.
In 2015, there were roughly 1*10^{6} high school football players and 2*10^{3} professional football players in the United States.
About how many times more high school football players are there?
8.G.7
1 point
1
Question 9
9.
Evaluate:
(\frac{1}{2})^{3}
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1
Question 10
10.
Evaluate:
(\frac{1}{2})^{-3}
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1 point
1
Question 11
11.
Here is a scatter plot of weight vs. age for different Dobermans. The model, represented by y=2.45x+1.22, is graphed with the scatter plot. Here, x represents age in weeks, and y represents weight in pounds.
What does the slope mean in this situation?
8.G.7
1 point
1
Question 12
12.
Here is a scatter plot of weight vs. age for different Dobermans. The model, represented by y=2.45x+1.22, is graphed with the scatter plot. Here, x represents age in weeks, and y represents weight in pounds.
Based on this model, how heavy would you expect a newborn Doberman to be?
8.G.7
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