Slope-Intercept Form of a Line Answers
Grace is comparing cell phone plans. A prepaid phone plan costs $0.20 per minute and has no monthly fee. A contracted phone plan costs $50 per month and $0.02 per minute. How will the graphs of the monthly costs of the two cell phone plans compare where x represents minutes purchased in a month?
A coordinate plane with a line passing through (negative 4, 3), (0, 1), and (2, 0).
A leaf hangs from a branch 12 feet in the air. It falls to the ground at a rate of 0.25 feet per second. Which graph could represent the leaf’s height in feet as a function of time, in seconds, after leaving the branch?
Which statements are true about the lines? Select three options.
Harita must memorize 90 measures of music for her cello solo at a concert. She plans on memorizing 18 new measures for every 3 days of practice. Which equation can be used to determine m, the number of measures Harita still needs to memorize, as a function of d, the number of days of practice since she began learning the piece?
The graph represents revenue in dollars as a function of greeting cards sold.
A coordinate plane with a line drawn passing through the points (0, 3) and (3, 2).
What is the slope of the line represented by the equation y = – – 5x?
A coordinate plane with a line drawn passing through the points (0, 3) and (1,1).
Grace is comparing cell phone plans. A prepaid phone plan costs $0.20 per minute and has no monthly fee. A contracted phone plan costs $50 per month and $0.02 per minute. How will the graphs of the monthly costs of the two cell phone plans compare where x represents minutes purchased in a month?
What is the slope of the line represented by the equation y = –x + ?
The profit earned by a hot dog stand is a linear function of the number of hot dogs sold. It costs the owner $48 dollars each morning for the day’s supply of hot dogs, buns and mustard, but he earns $2 profit for each hot dog sold. Which equation represents y, the profit earned by the hot dog stand for x hot dogs sold?
What is the slope of the line represented by the equation y = – – 5x?
Which graph represents a line with a slope of and a y-intercept equal to that of the line y = x – 2?
What is the slope of the line represented by the equation y = x – 3?
A coordinate plane with a line passing through (negative 4, 3), (0, 1), and (2, 0).
Harita must memorize 90 measures of music for her cello solo at a concert. She plans on memorizing 18 new measures for every 3 days of practice. Which equation can be used to determine m, the number of measures Harita still needs to memorize, as a function of d, the number of days of practice since she began learning the piece?
The graph represents revenue in dollars as a function of greeting cards sold.
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