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Description
Flashcards by MICHELLE BOOTH, updated more than 1 year ago
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Created by MICHELLE BOOTH
over 4 years ago
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| Question | Answer |
| What is the slope of the line y = 7 - 3x | Slope = -3 |
| How do you find the x-intercept? | Plug in zero for the y value |
| Find the slope of the line that passes through the points (-8, -6) and (5, -1) |
Image:
Si+1 (binary/octet-stream)
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| Where does the graph 4x + 3y = 24 cross the y-axis? | (0, 8) (Reminder: "where" means "ordered pair") |
| When an equation is in Slope Intercept Form, what value is the slope? | The coefficient on the x |
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Image:
Si+3 (binary/octet-stream)
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Image:
Si+4 (binary/octet-stream)
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| What is the y-intercept of the line y = 2x + 5 | y-int = 5 |
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Image:
Si+7 (binary/octet-stream)
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Image:
Si+8 (binary/octet-stream)
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| What kind of line has an undefined slope? | A vertical line |
| What is the formula for slope? | |
| How do you find the y-intercept? | Plug in zero for the x value OR Get the equation into slope intercept form and look at the constant |
| Write the following in slope intercept form: 4x - y = 12 | y = 4x - 12 |
| What kind of line has a slope of zero? | A horizontal line |
| A diver starts at 4 feet below sea level and descends at a rate of 1.5 feet per second. Write an equation, in two variables, to model the situation, where h is the height of the diver and t is the number of seconds. | h = 4 - 1.5t |
| What is the x-intercept of 4x + 3y = 24 | x-int = 6 (Reminder: Plug in zero for the y) |
| Perpendicular lines have ___________ slopes? | Negative Reciprocal |
| Find the slope of the line that passes through the points (3, 10) and (7, 4) |
Image:
Si+2 (binary/octet-stream)
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Image:
Si+10 (binary/octet-stream)
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y = 15 |
| What does a line with a positive slope look like? | Rises as it moves left to right |
| What is Slope Intercept Form | y = mx + b |
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Image:
Si+5 (binary/octet-stream)
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y = 3 |
| What is the slope of the line -y = 4x + 8 | Slope = -4 (Reminder: get into "y=" first) |
| When an equation is in Slope Intercept Form, what value is the y-intercept? | The constant |
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Image:
Si+ +6 (binary/octet-stream)
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x = -2 |
| Parallel lines have ___________ slopes? | Equal |
| What does a line with a negative slope look like? | Falls as it moves to the right |
| A taxi charges a $10 flat fee plus $2 per mile traveled. Write an equation to represent the total cost of a taxi ride, where c is the total cost and m is the number of miles traveled. | c = $10 + $2m |
| What is the y-int of the line 2y = -8x - 10 | y-intercept = -5 (Reminder: get into "y=" first) |
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Image:
Si+9 (binary/octet-stream)
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x = 8 |
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