J. The profit earned for each donut 61. The variable m is a positive real number in the equation: y = mx - 15 If the slope is decreased by 50%, which of the following best describes the effect on the x-intercept of the equation? 63. The function = 8 is graphed below. y −3x − A. The x-intercept is multiplied by 4. In the function above, the slope will be B. The x-intercept is multiplied by multiplied by and the of the y-value −2, will be increased by 2 units. Which of the following graphs best represents the new C. The x-intercept is multiplied by . function? D. The x-intercept is multiplied by 2. 62. best describes the effect on the A. C. graph of changing y = ½ x + 4 to y = 2x - 4? B. D. A. The slope becomes less steep and the 64. The original function is graphed on the y-intercept shifts down 4 units. same grid as the new function Which of the following statements about B. The becomes steeper and the these graphs is true? shifts down 8 units. C. The slope becomes less steep and the F. The graph of the original function is y-intercept shifts up 8 units. steeper than the graph of the new function. D. The becomes steeper and the y-intercept shifts down 4 units. G. The graph of the original function is parallel to the graph of the new function. H. The graphs intersect at (4, 0). J. The graphs intersect at (0, 4).
J. The profit earned for each donut 61. The variable m is a positive real number in the equation: y = mx - 15 If the slope is decreased by 50%, which of the following best describes the effect on the x-intercept of the equation? A. The x-intercept is multiplied by 4. B. The x-intercept is multiplied by C. The x-intercept is multiplied by . D. The x-intercept is multiplied by 2. 62. best describes the effect on the graph of changing y = ½ x + 4 to y = 2x - 4? A. The slope becomes less steep and the y-intercept shifts down 4 units. B. The becomes steeper and the shifts down 8 units. C. The slope becomes less steep and the y-intercept shifts up 8 units. D. The becomes steeper and the y-intercept shifts down 4 units. 63. The function y = −3x − 8 is graphed below. In the function above, the slope will be multiplied by −2, and the y-value of the will be increased by 2 units. Which of the following graphs best represents the new function? A. C. B. D. 64. The original function is graphed on the same grid as the new function Which of the following statements about these graphs is true? F. The graph of the original function is steeper than the graph of the new function. G. The graph of the original function is parallel to the graph of the new function. H. The graphs intersect at (4, 0). J. The graphs intersect at (0, 4).
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