CH 4 Alg1 Review for Test

Flashcard
•
Mathematics
•
9th - 12th Grade
•
Hard
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15 questions
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1.
FLASHCARD QUESTION
Front
What is the definition of slope in a linear equation?
Back
The slope of a linear equation represents the rate of change of the dependent variable (y) with respect to the independent variable (x). It is calculated as the rise over run, or the change in y divided by the change in x.
2.
FLASHCARD QUESTION
Front
How do you determine if a slope is positive or negative?
Back
A slope is positive if the line rises from left to right, indicating that as x increases, y also increases. A slope is negative if the line falls from left to right, indicating that as x increases, y decreases.
3.
FLASHCARD QUESTION
Front
What is the slope-intercept form of a linear equation?
Back
The slope-intercept form of a linear equation is given by y = mx + b, where m is the slope and b is the y-intercept.
4.
FLASHCARD QUESTION
Front
What does it mean for two lines to be parallel?
Back
Two lines are parallel if they have the same slope and will never intersect, regardless of their y-intercepts.
5.
FLASHCARD QUESTION
Front
What is the y-intercept of the equation y = 2x + 3?
Back
The y-intercept of the equation y = 2x + 3 is 3, which is the point where the line crosses the y-axis.
6.
FLASHCARD QUESTION
Front
How can you find the solution to a linear equation?
Back
To find the solution to a linear equation, you can substitute values for x and solve for y, or vice versa. The solution is the ordered pair (x, y) that satisfies the equation.
7.
FLASHCARD QUESTION
Front
What is an ordered pair in the context of a linear equation?
Back
An ordered pair is a pair of numbers (x, y) that represents a point on the Cartesian coordinate plane, where x is the value on the horizontal axis and y is the value on the vertical axis.
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