Big Ideas Math 8 Review

 1. Solve for m. 5m - 1 = 4m + 5  (Ch. 1)

• -6
• 6
• 4
• -4

2. A machine prints 230 movie posters each hour. Write and solve an equation to find the number of hours it takes the machine to print 1265 posters. (Ch. 1)

• 5.5
• 5
• -5
• -5.5

3. Triangle is graphed in the coordinate plane below. Translate the triangle 3 units right and 2 units down. What are the coordinates of the image? (Ch. 2)

• A’(1, 4), B’ (1, 1), C’ (3, 1)
• A’(1, 2), B’(1, -1), C’(3, -1)
• A’(-2, 2), B’ (-2, -1), C’(0, -1)
• A’(0, 1), B’(0, -2), C’(2, -2)

4. What transformation was used in the figure above? (Ch. 2)

• Translation
• Refelction
• Rotation

5. Find the angle measures of angle 8. (Ch. 3) 

• 53
• 127
• 120

6. The floor of a gazebo is the shape of a heptagon. Four of the interior angles measures 135 degrees. The other interior angles have equal measures. Find their measures. (Ch 3)

• 900
• 135
• 120
• 540

7. What equation goes through the points (0, 8) and (6, 8). (Ch. 4)

• A. Y = x + 8
• B. y = 2x + 8
• C. y = 8
• D. x = 8

8. The number y of new vocabulary words that you learn after x weeks is represented by the equation y = 15x. How many new vocabulary words do you learn after 5 weeks? (Ch. 4)

• 75
• 25
• -75

9. A bouquet of lilies and tulips has 12 flowers. Lilies cost $3 each, and tulips cost $2 each. The bouquet cost $32. Write a system of linear equations to find the number of flowers in the bouquet. (Ch. 5)

• 32 = 3x + 2y/y = 2y + 3x
• 32 = 12x/y = 3x + 2
• 2 = x + y/32 = 3x + 2y
• 32 = x + y/12 = 3x + 2y

10. Determine whether the system of linear equations has one solution, infinitely many solutions, or no solutions. y = 5x -9   y = 5x +9. (Ch. 5)

• no solution
• infinitely many solution
• one solution