Intercept Form of an Equation of a Line Quiz
The question sheet
Reveal any answer as you study-
In exercise 643, which pair of equations is given?
- 4x − 3y = −1; y = x − 3
- y = 5x − 1; 10x + 2y = 0
- 3x − 2y = 5; 2x + 3y = 6
- 2x − y = 8; x − 2y = 4
Reveal answer
Answer: 2x − y = 8; x − 2y = 4
Source evidence
PDF page 579: 643. 2x − y = 8; x − 2y = 4
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Exercises 644 and 645 use slopes and y-intercepts to determine if lines are what?
- Parallel
- Vertical
- Coincident
- Perpendicular
Reveal answer
Answer: Perpendicular
Source evidence
PDF page 579: Use Slopes to Identify Perpendicular Lines In the following exercises, use slopes and y-intercepts to determine if the lines are perpendicular.
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Exercises 642 and 643 use slopes and y-intercepts to determine if lines are what?
- Parallel
- Intersecting
- Horizontal
- Perpendicular
Reveal answer
Answer: Parallel
Source evidence
PDF page 579: Use Slopes to Identify Parallel Lines In the following exercises, use slopes and y-intercepts to determine if the lines are parallel.
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The equation C = 6.5m + 42 models the relation between weekly cost and what?
- Weekly profit
- Number of meals served
- Number of lessons taught
- Hours worked
Reveal answer
Answer: Number of meals served
Source evidence
PDF page 579: The equation C = 6.5m + 42 equation P = 35h − 250 models
PDF page 579: models the relation between her the relation between her weekly weekly cost, C, in dollars and the profit, P, in dollars and the number number of meals, m, that she of student lessons, s, that she teaches. serves. a Find Marjorie’s profit a Find Katherine’s cost for a week when she for a week when she
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The equation P = 35h − 250 models the relation between profit and what?
- Weekly cost
- Miles driven
- Number of student lessons
- Number of meals served
Reveal answer
Answer: Number of student lessons
Source evidence
PDF page 579: The equation C = 6.5m + 42 equation P = 35h − 250 models
PDF page 579: models the relation between her the relation between her weekly weekly cost, C, in dollars and the profit, P, in dollars and the number number of meals, m, that she of student lessons, s, that she teaches. serves. a Find Marjorie’s profit a Find Katherine’s cost for a week when she for a week when she
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In the application exercises, part b for Katherine asks for the cost for a week when she serves how many meals?
- 10 meals
- 14 meals
- 6 meals
- 20 meals
Reveal answer
Answer: 14 meals
Source evidence
PDF page 579: serves no meals. lessons. b Find the cost for a b Find the profit for a week when she serves week when she teaches 14 meals. 20 student lessons. c Interpret the slope c Interpret the slope and C-intercept of the and P–intercept of the equation. equation. d Graph the equation. d Graph the equation.
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In the application exercises, part b for Marjorie asks for profit when she teaches how many student lessons?
- 35 lessons
- 250 lessons
- 20 student lessons
- 14 lessons
Reveal answer
Answer: 20 student lessons
Source evidence
PDF page 579: serves no meals. lessons. b Find the cost for a b Find the profit for a week when she serves week when she teaches 14 meals. 20 student lessons. c Interpret the slope c Interpret the slope and C-intercept of the and P–intercept of the equation. equation. d Graph the equation. d Graph the equation.
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To compare values from a graph, the exercises compare them to which equation form?
- y = mx + b
- y = ax²
- Ax + By = C
- x = a
Reveal answer
Answer: y = mx + b
Source evidence
PDF page 578: Recognize the Relation Between the Graph and the Slope–Intercept Form of an Equation of a Line In the following exercises, use the graph to find the slope and y-intercept of each line. Compare the values to the equation y = mx + b . 624. 625.
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Which set of exercises asks you to graph a line using its slope and y-intercept?
- Interpret applications
- Find most convenient method
- Identify slope and y-intercept
- Graph using slope and intercept
Reveal answer
Answer: Graph using slope and intercept
Source evidence
PDF page 578: Graph a Line Using Its Slope and Intercept In the following exercises, graph the line of each equation using its slope and y-intercept.
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Which exercises ask you to identify the slope and y-intercept from an equation?
- Recognize graph relation
- Graph using slope and intercept
- Identify slope and y-intercept
- Use slopes for parallel lines
Reveal answer
Answer: Identify slope and y-intercept
Source evidence
PDF page 578: Identify the Slope and y-Intercept from an Equation of a Line In the following exercises, identify the slope and y-intercept of each line.
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Which set of exercises asks to determine the most convenient method to graph each line?
- Identify slope and intercept
- Perpendicular line exercises
- Graph using slope and intercept
- Most convenient method exercises
Reveal answer
Answer: Most convenient method exercises
Source evidence
PDF page 579: In the following exercises, determine the most convenient method to graph each line.
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Part c of each application exercise asks you to interpret the slope and what else?
- The intercept
- The variable m
- The slope again
- The graph title
Reveal answer
Answer: The intercept
Source evidence
PDF page 579: serves no meals. lessons. b Find the cost for a b Find the profit for a week when she serves week when she teaches 14 meals. 20 student lessons. c Interpret the slope c Interpret the slope and C-intercept of the and P–intercept of the equation. equation. d Graph the equation. d Graph the equation.
Elementary Algebra 2e
Elementary Algebra 2e by OpenStax, used under CC BY 4.0. Changes made by Stratacademy.
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