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Study Skills: algebra/basics

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  • What is y-intercept?
    where the line crosses the y-axis
  • Find x: 3x = 12
    x = 4
  • 26 / 2
    13
  • In the equation: y = mx + b --> what does "b" identify?
    y-intercept
  • 2(3)
    = 6
  • Which one is the y-axis?
    the vertical line, up and down line
  • 21 / 3
    7
  • 8 x 8
    64
  • 25 *5
    125
  • 7 x 7
    49
  • What are coordinates on a graph?
    (x ,y), x and y values, a specific point on a graph
  • What are horizontal lines?
    x-values, lines that go side to side
  • Find w: 100x = 4
    w= 25
  • 3 x 4
    12
  • What are vertical lines?
    lines that go up and down, y-values 
  • 12 x 12
    144
  • Rise over ______
    RUN
  • Find h: 2 x h = 26
    13
  • Find g: g + 5 = 25
    g = 20
  • Find X: 56 - x = 50
    x = 6
  • What is x-intercept?
    where the line crosses the x-axis
  • 6 x 7
    42
  • What is slope?
    measure of the steepness of a line
  • simplify: 75/100
    3/4
  • Simplify: (7 + 3) * (2 + 4)
    60
  • Simplify: 25/50
    1/2
  • Find r: 12r = 144
    r = 12
  • 5 x 5
    25
  • in the equation: y= mx +b --> what does the "m" identify?
    SLOPE
  • 5 + 20
    25
  • Simplify the fraction: 4/16
    1/4
  • What is missing: ( __,y)?
    x
  • what is a point on a graph?
    a dot marking a specific set of coordinates
  • Find Q: 49 / q = 7
    q = 7
  • 24 / 6
    4
  • 10 x 8
    80
  • Which one is the x-axis?
    the horizontal line, side-to-side
  • Find k: k / 3 = 21