Open Up - Grade 8 - Mathematics - Unit 8 - Lesson 9
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Math
8 covered
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5 questions
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1.
MULTIPLE SELECT QUESTION
45 sec • 1 pt
Which of these triangles are definitely right triangles?
Triangle A.
Triangle B.
Triangle C.
Triangle D.
Triangle E.
Tags
8.G.6
2.
OPEN ENDED QUESTION
3 mins • 1 pt
In each part, a and b represent the length of a leg of a right triangle, and c represents the length of its hypotenuse. Find the missing length, given the other two lengths.a=12,b=5,c=?
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8.G.6
3.
OPEN ENDED QUESTION
3 mins • 1 pt
In each part, a and b represent the length of a leg of a right triangle, and c represents the length of its hypotenuse. Find the missing length, given the other two lengths.a=?,b=21,c=29
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Tags
8.G.6
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
For which triangle does the Pythagorean Theorem express the relationship between the lengths of its three sides?
Triangle A.
Triangle B.
Triangle C.
Triangle D.
Tags
8.G.6
5.
OPEN ENDED QUESTION
3 mins • 1 pt
Andre makes a trip to Mexico. He exchanges some dollars for pesos at a rate of 20 pesos per dollar. While in Mexico, he spends 9000 pesos. When he returns, he exchanges his pesos for dollars (still at 20 pesos per dollar). He gets back \frac{1}{10} the amount he started with. Find how many dollars Andre exchanged for pesos. If you get stuck, try writing an equation representing Andre’s trip using a variable for the number of dollars he exchanged.
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8.G.6
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