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The equation 5x+4y=15x+4y=1 is graphed in the xyxy-plane. Which of the following is a true statement about the graph?\newlineChoose 11 answer:\newline(A) The graph's yy-intercept is 15\frac{1}{5}.\newline(B) The graph's xx-intercept is 14-\frac{1}{4}.\newline(C) The graph has a slope of 54-\frac{5}{4}.\newline(D) The graph has a slope of 45-\frac{4}{5}.

Full solution

Q. The equation 5x+4y=15x+4y=1 is graphed in the xyxy-plane. Which of the following is a true statement about the graph?\newlineChoose 11 answer:\newline(A) The graph's yy-intercept is 15\frac{1}{5}.\newline(B) The graph's xx-intercept is 14-\frac{1}{4}.\newline(C) The graph has a slope of 54-\frac{5}{4}.\newline(D) The graph has a slope of 45-\frac{4}{5}.
  1. Finding the y-intercept: To find the y-intercept, we set xx to 00 and solve for yy.
    5(0)+4y=15(0) + 4y = 1
    4y=14y = 1
    y=14y = \frac{1}{4}
    The y-intercept is the point where the graph crosses the y-axis, which is at (0,y)(0, y).
  2. Finding the x-intercept: To find the x-intercept, we set yy to 00 and solve for xx.
    5x+4(0)=15x + 4(0) = 1
    5x=15x = 1
    x=15x = \frac{1}{5}
    The x-intercept is the point where the graph crosses the x-axis, which is at (x,0)(x, 0).
  3. Finding the slope of the graph: To find the slope of the graph, we can rewrite the equation in slope-intercept form y=mx+by = mx + b, where mm is the slope.4y=5x+14y = -5x + 1y=(5/4)x+1/4y = (-5/4)x + 1/4The slope of the graph is the coefficient of xx, which is 5/4-5/4.

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