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8 Math Mid Term Review

8 Math Mid Term Review. Write an algebraic expression for “18 less than a number”. Evaluate 26 – 3(x + 12) when x = 5. Find the sum -17 + 24 + -9. Find the product (6)(-5)(24). What is the absolute value of -12?. Simplify -3 4. Simplify (-3) 4. Simplify 3 2 ⋅ (4 – 5) 2.

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8 Math Mid Term Review

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  1. 8 Math Mid Term Review

  2. Write an algebraic expression for“18 less than a number”

  3. Evaluate 26 – 3(x + 12)when x = 5

  4. Find the sum-17 + 24 + -9

  5. Find the product(6)(-5)(24)

  6. What is the absolute value of -12?

  7. Simplify -34

  8. Simplify (-3)4

  9. Simplify 32⋅ (4 – 5)2

  10. Find the median and mean of data set.429, 419, 375, 328, 400

  11. Name the property demonstrated.-8 + 0 = -8

  12. Write an equation to demonstrate the distributive property.

  13. Name the property shown.A(bc) = (Ab)c

  14. Solvex – 27 = 95

  15. Solvex = 39

  16. Solve3x + 24 = 18

  17. Solve4(w – 5) = 2w + 8

  18. Solve26 ≤ -13x

  19. Graph inequalityx > 27

  20. In which quadrant is (-5, -6)

  21. When you graph the linear equation y = 3x, is (0, 0) on the line?

  22. Graph y = 3x -2 on the coordinate plane

  23. In equation y = ½ x + 7, what is the slope and what is the y-intercept?

  24. Name a fraction equal to 0.48, in simplest form

  25. <, >, or =0.77,

  26. Add 3 ¾ + -16 ½

  27. Mary completed a marathon distance of 26.2 miles around a 1.3 mile track. How many laps around the track did she run to the nearest hundredth.

  28. Formula for area of trapezoid is: A = ½ (x + y)(h)If A = 240, x = 16, and y = 8,Find h.

  29. If a right triangle has legs measuring 3 inches and 4 inches, what is the length of the hypotenuse?

  30. A bird chirps 20 times in 5 minutes.What is the unit rate?

  31. The Brookfield Zoo has 16 pythons and 42 rattlesnakes.What is the ratio of pythons to rattlesnakes?

  32. When baking cookies the ratio of sugar to flour is ½ to 3 cups.If the baker uses 12 cups of flour, how many cups of sugar does she use?

  33. Triangle ABC is similar to XYZ.If AB measures 12mm, BC measures 9mm, and XY measures 24mm, what is the length of YZ?

  34. A boy is 4 feet tall and his shadow is 16 feet long. A nearby tree casts a 48 foot shadow. How tall is the tree?

  35. A scale model of Mt. Rushmore is 5 feet tall by 8 feet wide. The actual height of Mt. Rushmore is 2,300 feet. How wide is Mt. Rushmore?

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