Linear Equation from Graph
Flashcard
•
Mathematics
•
8th - 9th Grade
•
Hard
+3
Standards-aligned
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15 questions
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1.
FLASHCARD QUESTION
Front
What is a linear equation?
Back
A linear equation is an equation that makes a straight line when graphed. It can be written in the form y = mx + b, where m is the slope and b is the y-intercept.
Tags
CCSS.8.F.B.4
CCSS.HSF.LE.A.2
2.
FLASHCARD QUESTION
Front
What does the slope of a line represent?
Back
The slope of a line represents the rate of change of y with respect to x. It indicates how steep the line is and the direction it goes (positive slope means the line rises, negative slope means it falls).
Tags
CCSS.8.EE.B.5
3.
FLASHCARD QUESTION
Front
What is the y-intercept in a linear equation?
Back
The y-intercept is the point where the line crosses the y-axis. In the equation y = mx + b, b represents the y-intercept.
4.
FLASHCARD QUESTION
Front
How do you find the slope from two points?
Back
The slope (m) can be calculated using the formula m = (y2 - y1) / (x2 - x1), where (x1, y1) and (x2, y2) are the coordinates of the two points.
Tags
CCSS.8.EE.B.5
5.
FLASHCARD QUESTION
Front
What is the equation of a horizontal line?
Back
The equation of a horizontal line is of the form y = c, where c is a constant. The slope of a horizontal line is 0.
6.
FLASHCARD QUESTION
Front
What is the equation of a vertical line?
Back
The equation of a vertical line is of the form x = c, where c is a constant. The slope of a vertical line is undefined.
7.
FLASHCARD QUESTION
Front
How do you graph a linear equation?
Back
To graph a linear equation, identify the y-intercept (b) and plot it on the y-axis. Then use the slope (m) to find another point by rising and running from the y-intercept.
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