What does it mean for two linear equations to be perpendicular?
12/10 Warm-up

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•
Mathematics
•
9th Grade
•
Hard
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15 questions
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1.
FLASHCARD QUESTION
Front
Back
Two linear equations are perpendicular if the product of their slopes is -1.
2.
FLASHCARD QUESTION
Front
How can you determine if two lines are parallel?
Back
Two lines are parallel if they have the same slope and different y-intercepts.
3.
FLASHCARD QUESTION
Front
What is the standard form of a linear equation?
Back
The standard form of a linear equation is Ax + By = C, where A, B, and C are integers.
4.
FLASHCARD QUESTION
Front
What does the term 'decreased by' indicate in an inequality?
Back
'Decreased by' indicates subtraction in an inequality.
5.
FLASHCARD QUESTION
Front
How do you solve the equation 2(3x + 4) + 2 = 4 + 3x?
Back
Distribute to get 6x + 8 + 2 = 4 + 3x, then simplify to 6x + 10 = 4 + 3x. Subtract 3x from both sides to get 3x + 10 = 4, then subtract 10 to find x = -2.
6.
FLASHCARD QUESTION
Front
Back
The solution is x = 15.
7.
FLASHCARD QUESTION
Front
What does the inequality 'no more than' signify?
Back
'No more than' signifies a less than or equal to (≤) relationship.
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