What does the absolute value of a number represent?
7. Ch. 1 Review

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Mathematics
•
9th Grade
•
Hard
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1.
FLASHCARD QUESTION
Front
Back
The absolute value of a number represents its distance from zero on the number line, regardless of direction.
2.
FLASHCARD QUESTION
Front
Solve the equation: ∣ 3x - 7 ∣ = 11. What are the possible values of x?
Back
x = 6 or x = -2/3.
3.
FLASHCARD QUESTION
Front
What is the first step to solve the equation 8 = 4x - 12?
Back
Add 12 to both sides of the equation.
4.
FLASHCARD QUESTION
Front
Solve the equation: 3 - 5n = -22. What is the value of n?
Back
n = 5.
5.
FLASHCARD QUESTION
Front
Solve the inequality: 5z + 4 > 19. What is the value of z?
Back
z > 3.
6.
FLASHCARD QUESTION
Front
What is the definition of a linear equation?
Back
A linear equation is an equation that makes a straight line when graphed, typically in the form y = mx + b.
7.
FLASHCARD QUESTION
Front
What does it mean to isolate a variable in an equation?
Back
To isolate a variable means to manipulate the equation so that the variable is on one side and all other terms are on the other side.
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