Algebra Semester 1 Review
Flashcard
•
Mathematics
•
9th Grade
•
Practice Problem
•
Hard
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16 questions
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1.
FLASHCARD QUESTION
Front
What is the point-slope form of a linear equation?
Back
The point-slope form of a linear equation is given by: y - y_1 = m(x - x_1), where (x_1, y_1) is a point on the line and m is the slope.
2.
FLASHCARD QUESTION
Front
How do you find the slope of a line given two points?
Back
The slope (m) is calculated using the formula: m = (y_2 - y_1) / (x_2 - x_1), where (x_1, y_1) and (x_2, y_2) are the coordinates of the two points.
3.
FLASHCARD QUESTION
Front
What is the relationship between parallel lines in terms of slope?
Back
Parallel lines have the same slope.
4.
FLASHCARD QUESTION
Front
What is the relationship between perpendicular lines in terms of slope?
Back
Perpendicular lines have slopes that are negative reciprocals of each other. If one line has a slope of m, the other will have a slope of -1/m.
5.
FLASHCARD QUESTION
Front
How do you solve the inequality 2x - 7 < 5?
Back
To solve the inequality, first add 7 to both sides: 2x < 12. Then divide by 2: x < 6.
6.
FLASHCARD QUESTION
Front
What does a positive correlation in a graph indicate?
Back
A positive correlation indicates that as one variable increases, the other variable also increases.
7.
FLASHCARD QUESTION
Front
What does a negative correlation in a graph indicate?
Back
A negative correlation indicates that as one variable increases, the other variable decreases.
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