2.3/2.4 Flashcard Review
Flashcard
•
Mathematics
•
9th Grade
•
Practice Problem
•
Hard
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15 questions
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1.
FLASHCARD QUESTION
Front
What does the inequality x < 3 represent on a number line?
Back
It represents all numbers to the left of 3, not including 3 itself.
2.
FLASHCARD QUESTION
Front
How do you solve the equation 8x + 4y = 16 for y?
Back
Rearranging gives y = -2x + 4.
3.
FLASHCARD QUESTION
Front
What is the formula for h in the equation S = 2πrh?
Back
h = \frac{S}{2\pi r}.
4.
FLASHCARD QUESTION
Front
How do you solve the inequality \frac{1}{2}R + 6 \le 3 for R?
Back
Subtract 6 from both sides to get \frac{1}{2}R \le -3, then multiply by 2 to find R \le -6.
5.
FLASHCARD QUESTION
Front
What does the inequality 5A - 12 > 11A represent when solved for A?
Back
It simplifies to A > -6.
6.
FLASHCARD QUESTION
Front
What is the meaning of the term 'inequality' in mathematics?
Back
An inequality is a mathematical statement that compares two expressions and shows that one is less than, greater than, or not equal to the other.
7.
FLASHCARD QUESTION
Front
What is the slope-intercept form of a linear equation?
Back
The slope-intercept form is y = mx + b, where m is the slope and b is the y-intercept.
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