AA1 Midterm Review

Which of the following represent the intercepts of the equation 3x - 8y = 24?

• x-int: (3, 0)

  y-int: (0, -8)

• x-int: (8, 0)

  y-int: (0, -3)

• x-int: (0, 8)

  y-int: (-3, 0)

• x-int: (-3, 8)

  y-int: (8, -3)

The scores of a student's first 4 tests are shown above. Assuming all the tests are waited equally, what would the student need to have an A test average?

• 94.1

• 100

• 98.7

• 93.8

What is the equation of a line that passes through (-4, 5) and (2, 1). Write your final answer in slope-intercept form

• 
• 
• 
• 

Write the equation of a line that is perpendicular to x-3y=2 and has an x-intercept of -8. Write your final answer in slope-intercept form.

• y = -3x - 8

• y = -3x - 24

• y = -3x + 24

• y = (1/3)x + (8/3)

What is the equation of a line that is perpendicular to x = 5 and passes through the point (-2, 15)?

• x = -2

• y = 15

• y = - 2

• y = (1/5)x

Let y vary directly as x. If x = 15 when y = -25, find the value of x when y = 10.

• -10

• -8

• -6

• 6

What is the interquartile range for the set of data shown in the box-and-whisker plot shown below?

• 27

• 21

• 15

• 12

{5, 5, 6, 8, 10, 38}

What would happen to the mean of the set above if the lowest and highest value were removed?

• It would increase

• It would decrease

• It would remain the same

• Not enough information

{54, 58, 70, 75, 82, 86, 89, 90, 95, 97, 100}

What would happen to the median of the data shown above if the highest and lower values were removed?

• It would increase

• It would decrease

• It would remain the same

• Not enough information

Which of the following are the solutions to the equation 2|5x - 3|-10 = -6

• 1/5 and 1

• -1 and -1/5

• 1/10 and -1/10

• No solution