Algebra Review 1/2

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Across
  1. 4. In the Pythagorean Theorem, sides a and b are first _______ and then added to equal c _______.
  2. 8. A right triangle has side lengths of 5 in, 12 in and 13 in. Which length is the hypotenuse?
  3. 12. True or False: If a student flips a coin and then rolls a pair of number cubes the events are independent.
  4. 13. The area of this shape is equal to pi times the radius squared.
  5. 15. The square root of 44 lies between which two whole numbers? Exclude the word “and” from your response. (Hint: 25, 36, 49, 64, 81, 100 are perfect squares)
  6. 16. Which extreme (lower or upper) is to the right of Q3 and connected by a “whisker”?
  7. 17. The area of this shape is equal to ½ bh.
  8. 18. True or False: You can use the original data to make a numberline even if the difference between neighbor numbers is unequal (ex. 2, 7, 8, 55).
Down
  1. 1. In linear equations this can be described by “rise over run” and represented by the letter m (ex. y = mx + b)
  2. 2. In the equation y=20x+12, what is the slope?
  3. 3. The point where a line crosses the y-axis is called this (b in the equation y=mx+b)
  4. 5. The area between the lower ________ (Q1) and the median represents 25% of the data.
  5. 6. To solve for x given 4x=52 , ____ by four on both sides.
  6. 7. The x-axis is the horizontal axis; x-values go from ____ to ____.
  7. 9. The sides a and b in a right triangle are also called the ____
  8. 10. True or False: Data must be sorted from least to greatest before to find the median, Q1, and Q3.
  9. 11. If a bag has four clear, two blue, and five green marbles, which color is most likely to be randomly selected?
  10. 14. A polygon corner lies at (3, 7) on the coordinate plane. If it’s reflected across the y-axis, which number will change signs?