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Algebra 1 7-5 Rational Exponents and Radicals
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4.5 (1 rating)
by Matthew Richardson
| 43 Questions
Note from the author:
A complete formative lesson with embedded slideshow, mini lecture screencasts, checks for understanding, practice items, mixed review, and reflection. I create these assignments to supplement each lesson of Pearson's Common Core Edition Algebra 1, Algebra 2, and Geometry courses. See also mathquest.net and twitter.com/mathquestEDU.
The outlined content above was added from outside of Formative.
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Solve It! The figure is made up of squares. The side of a larger square is bisected by the vertices of the square that is one size smaller. What are the values of a, b, and c? Hint: The hypotenuse of an isosceles right triangle equals the smaller side times the square root of 2.





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Problem 1 Got It?
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Problem 1 Got It?
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Problem 1 Got It?
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Problem 2 Got It?
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Problem 2 Got It?
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Problem 2 Got It?
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Problem 3 Got It?
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Problem 3 Got It?
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Problem 3 Got It?
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Problem 4 Got It?
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Error Analysis: What is the error in the problem shown? What is the correct answer?
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Reasoning: Write a rule for multiplying two radicals with the same radicand. Justify why your rule works.
23
5 pts
Reasoning: Is this equation true?

No, it is false.
Yes, it is true.
25
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Review Lesson 7-3: Simplify the expression.
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Review Lesson 7-3: Simplify the expression.
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Review Lesson 7-3: Simplify the expression.
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Review Lesson 7-3: Simplify the expression.
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Review Lesson 7-3: Simplify the expression.
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Review Lesson 5-5: Identify the form of each equation.
  • 5x + 3y = 21
    Answer by dragging items here
  • y = -7x + 1
    Answer by dragging items here
  • x = 5 + 3y
    Answer by dragging items here
  • y = -9(x + 2)
    Answer by dragging items here
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Review Lesson 5-5: Is the equation in standard form? Explain.
No, the equation is not in standard form. -2 is not a real number.
Yes, the equation is in standard form. It is in the form Ax + By = C, A, B, and C are real numbers, and A and B are not both zero.
No, the equation is not in standard form. Standard form is y = mx + b.
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Review Lesson 5-5: Match each equation from the left column with its equivalent standard form equation in the right column.
  • -2x + y = -13
    Answer by dragging items here
  • x - 6y = 3
    Answer by dragging items here
  • -4x + y = 7
    Answer by dragging items here
  • 4x + 2y = 8
    Answer by dragging items here
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Vocabulary Review: Simplify the square root expression.
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The expression can not be simplified using real numbers.
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Vocabulary Review: Simplify the square root expression.
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The expression can not be simplified using real numbers.
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Vocabulary Review: Simplify the square root expression.
Enter only a number.
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Vocabulary Review: Identify the base and exponent in the exponential expression.

  • Answer by dragging items here
  • Exponent
    Answer by dragging items here
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5 pts
Use Your Vocabulary: What is the index of the radical expression?
Enter only a number.
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5 pts
Use Your Vocabulary: What is the index of the radical expression?
Enter only a number.
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5 pts
Use Your Vocabulary: Find the cube of the number.
Enter only a number.
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Use Your Vocabulary: Find the cube of the number.
Enter only a number.
41
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Use Your Vocabulary: Find the cube of the number.
Enter only a number.
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Use Your Vocabulary: Find the cube of the number.
Enter only a number.
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10 pts
Reflection: Math Success
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