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A. Is the slope of Line A positive or negative?

A. Is the slope of Line A positive or negative? Is the slope of Line B positive or negative?
B. Find the slope of each line.
Line A: ____
Line B: ____
C. What are the y-intercepts of the lines?
D. Write the equation of the lines in slope-intercept form.
Line A: y = ____
Line B: y = ____
E. Write the end behavior of Line A as x → ∞ ____ and as x → -∞ ____.
Write the end behavior of Line B as x → ∞ ____ and as x → -∞ ____.
A line has a slope m = -1. One point on the line is (2, 4). Substitute the x- and y-values into the slope-intercept form of an equation to find the y-intercept. Then write the equation of the line in slope-intercept form.
y = m x + b and x = ____
y = ____
y - ____ = -1(x - ____)
y = -1(x - 2) + ____
y = -1x + ____
The y-intercept is ____
The equation of the line is y = ____

Answer

  1. A. The slope of Line A is positive. The slope of Line B is negative.

  2. B. Find the slope of each line.

    • Line A: 2
    • Line B: -1
  3. C. The y-intercepts of the lines are:

    • Line A: 3
    • Line B: -2
  4. D. Write the equation of the lines in slope-intercept form.

    • Line A: y = 2x + 3
    • Line B: y = -x - 2
  5. E. Write the end behavior of Line A as x → ∞ y → ∞ and as x → -∞ y → -∞.

    Write the end behavior of Line B as x → ∞ y → -∞ and as x → -∞ y → ∞.

  6. A line has a slope m = -1. One point on the line is (2, 4). Substitute the x- and y-values into the slope-intercept form of an equation to find the y-intercept. Then write the equation of the line in slope-intercept form.

    • y = m x + b and x = 2
    • y = 4
    • y - 4 = -1(x - 2)
    • y = -1(x - 2) + 4
    • y = -1x + 6

    The y-intercept is 6

    The equation of the line is y = -x + 6

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