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Functions, Equations, Expressions, and Inequalit ...

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  • Write an equation for a line that has a slope of 1/2 and a y-intercept of -1.
    y = 1/2x - 1
  • Translate: Six less than twice a number is greater than or equal to four times the quantity of nine plus half a number.
    2x - 6 <= 4(9 + 1/2x)
  • Is this a function?
    no
  • What is the value of the expression shown?
    -4
  • Simplify the following expression: -5(2x - 3) + 4x
    -6x +15
  • What is the value of the expression shown?
    -3
  • Is this a function?
    yes
  • What is the solution to the following inequality?
    -4/5<=x
  • What value of x would make this equation true?
    x = -1
  • A towing company charges a flat fee of $50 in addition to a$2 a mile to tow vehicles. What equation would show the relationship between total cost and miles towed?
    y = 2x + 50
  • Kylie paid a total of $300 to exrecise at a gym. The initial membership fee was $75. Her gym dues were $25 a month. How many months did Kylie go to the gym?
    9
  • Which phrase best represents: "five times the quantity of half a number plus seven is triple a number minus ten."
    5(1/2x + 7) = 3x - 10
  • Identify the slope and the y-intercept.
    Slope = 2 y-intercept = -3
  • Find the value of n.
    n=4
  • What is the rule for the table? (hint: you need to use y = mx + b)
    y = 1/2x - 3
  • What is the slope of the line y = 4x - 2?
    4
  • What is the solution to the inequality shown?
    x>1/4
  • What is the value of y? 3(2y+3) = 9y - 15
    y= 8
  • Simplify: 6c + 2(5 - 7c)
    -8c +10
  • Is this a function?
    yes
  • If I added a point to the table what numbers could I NOT use as an x value to keep the table a function?
    7, 3, -5, and 1
  • What is the value of the expression shown?
    x-5
  • What is the domain of the function?
    x = {2, 4, 6, 8}
  • What is the solution to this equation? 8x - (4x + 3) = -45
    x = -21/2 or -10.5
  • What is the value of the expression shown when n = 2?
    6
  • What is the range of the function?
    {-2, -1, 1, 2, 3}
  • What is the is y-intercept of the line y = -2x - 1?
    -1
  • What algebraic expressions is represented by the model
    -2x - 2
  • Which of then numbers pictured are solutions to the inequality 7x + 9 > 3x + 13?
    2, 1.2, 13, 3
  • Is this a function?
    no
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