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Algebra - Equations of Linear Functions Test Rev ...

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  • 5x+7.50y=60, 4 dogs
  • Write an equation in point slope form of a linear function that passes through the points (3, -2) and (12, 4)
    y+2=2/3(x-3) OR y-4=2/3(x-12)
  • Write an equation in slope intercept form of a linear function that passes through the point (-4, 9) and has a slope of -1/2
    y=-1/2x+7
  • Write the equation of the line in slope-intercept form and standard form.
    y=5x, 5x-y=0
  • Are the following lines parallel, perpendicular or neither?
    perpendicular
  • Write an equation in standard form with the given information.
    x-y=-1
  • Write the following equation in slope-intercept form and standard form
    y=2/5x+5 and 2x-5y=-25
  • y=95x+150; $1400
  • Write an equation in slope intercept form with the given information.
    y=-1/2x+7
  • Write an equation in ALL THREE FORMS of a linear function that passes through the point (8, 5) and has a slope of 3/4
    y-5=3/4(x-8), y=3/4x-1, 3x-4y=4
  • Identify the slope and a point on the line given the equation.
    m=-3, (6, -4)
  • Are the following lines parallel, perpendicular or neither?
    perpendicular
  • Which graph best shows a positive correlation between the number of hours studied and the test scores?
    A
  • Are the following lines parallel, perpendicular or neither?
    neither
  • Ms. McDonald has already written 35 pages of a novel. She plans to write 12 additional pages per month until she is finished. Write and solve a linear equation to find the total number of pages written at 5 months.
    y=12x + 35; 95 pages
  • Choose the linear equation that best fits the data shown on the graph.
    C
  • ChitChat Wireless charges $0.30 per minute plus a monthly base fee. In September, Maggie used 120 minutes and her bill was $51. Write and solve an equation to find the cost if Mo uses 165 minutes in October.
    y=0.3x+15; $64.50
  • y=8.55x+179, $179
  • Write an equation in point slope form with the given information.
    y+1=-2/3(x+6)
  • Write an equation in point slope form with the given information.
    y+11=4(x+2)
  • 3.50x + 5y = 2500; 250 rolls