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Assignment #1 - Writing Equations

Quiz by Chandler Anderson

Grade 7
Mathematics
Texas Essential Knowledge and Skills (TEKS)

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12 questions
Show answers
  • Q1
    A video streaming service charges a $25 initial fee and $8.99 per month. What is the equation?
    y = 8.99 + 25
    y = 25x + 8.99
    y = 8.99x + 25
    8.99 = 25x
    30s
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  • Q2
    Which equation represents a proportional relationship?
    y = -15x + 5
    y = 15x
    y = 15
    y = 15x + 5
    30s
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  • Q3
    Which equation represents a non-proportional relationship?
    y = 5/3x
    y = 5
    y = 5x + 3
    y = 5x
    30s
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  • Q4
    600,000 gallons of water pass through a given point along a river every minute. Which equation represents the amount of water, y, that passes through the point in x minutes?
    x = 10,000y
    y = 600,000x
    y = 600,000 + x
    y = 10,000x
    30s
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  • Q5
    At UPS, first-class letters cost $0.49 for the first ounce and $0.22 for each additional ounce. What is the equation for this situation? and is it proportional?
    y = 0.49 + 0.22x, Proportional
    y = 0.22 + 0.49, Non-Proportional
    y = 0.49 + 0.22x, Non-Proportional
    y = 0.22 + 0.49x, Proportional
    30s
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  • Q6
    Ann's car can travel 228 miles on 6 gallons of gas. Write an equation to represent the distance y, in miles Ann's car can travel on x gallons of gas.
    y = 228 + 6
    y = 228x
    y = 38 + x
    y = 38x
    30s
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  • Q7
    What is the constant rate of change in the equation y = 32x + 16
    32
    16
    30s
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  • Q8
    What is the constant rate of change for the equation for y = .15 + 5x
    5
    .15
    30s
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  • Q9
    What is the y-intercept for the equation y = 6x - 2
    6
    -2
    2
    30s
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  • Q10
    What is the y-intercept for the equation y= 65 + 12x
    12
    65
    30s
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  • Q11
    A pilot takes a taxi from the airport to a hotel. The taxi driver charges a $2.50 initial charge plus $2.65 per mile. Which equation matches the situation?
    y = 2.65x + 2.50
    y = -2.65x + 2.50
    y = 2.65 - 2.50
    y = 2.50x + 2.65
    30s
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  • Q12
    From a starting position at 7 meters below sea level, a fish is descending 3 meters per second. Which equation matches the situation?
    y = -7m -3
    y = 7-3
    y = -3m -7
    y = -7 + 3m
    30s
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