Algebra Spiral

Review Question 4 (BLUE): Nicci's sister is 7 years less than twice Nicci'e age, a. The sum of Nicci's age and her sister's age is 41. Which equation represents this relationship?

• a +(7 - 2a)=41

• a + (2a - 7) = 41

• 2a - 7 = 41

• a = 2a - 7

Review Question 5 (BLUE): When 3a + 7b > 2a - 8b is solved for a, the result is

• a > -b

• a < -b

• a < -15b

• a > -15b

Review Question 6 (BLUE): David wanted to go on a amusement park ride. A sign posted at the entrance read "You must be greater than 42 inches tall and no more than 57 inches tall for this ride." Which inequality would model the height, x, required for this amusement park ride?

• shifted 3 units to the left

• shifted 3 units to the right

• shifted 5 units to the left

• shifted 5 units to the right

Review Question 1 (WHITE): Which equivalent equation should Vito use?

• 2(-3x - 4) + 3x = -21

• 2(3x - 4) + 3x = -21
  

• 2x - 3(-3x - 4) = -21

• 2x - 3(3x - 4) = -21

Review Question 2 (WHITE): Which system of equations will yield the same solution as the system below?

• -2x - 2y = -6

  2x - 3y = -1

• -2x + 2y = 3

  2x - 3y = -1

• 2x - 2y = 6

  2x - 3y = -1

• 3x + 3y = 9

  2x - 3y = -1

Review Question 3 (WHITE): What is the solution to the system of equations below?

• No solution

• infinitely many solutions

• (-1, 6)

• (0.5, 9)

Review Question 6 (WHITE): What is the value of y in the following system of equations?

2x + 3y = 6

2x + y = -2

• 1

• 2

• -3

• 4

Review Question 7 (WHITE): If a + 3b = 13 and a + b =5, the value of b is...

• 1

• 7

• 4.5

• 4

Review Question 8 (WHITE): What is the solution of the system of equations c + 3d = 8 and c = 4d - 6?

• c = -14, d = -2

• c = -2, d = 2

• c = 2, d = 2

• c = 14, d = -2