
Ch 2, 3, & 4 Review CCA 2
Flashcard
•
Mathematics
•
11th Grade
•
Practice Problem
•
Hard
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15 questions
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1.
FLASHCARD QUESTION
Front
What is the sum of the fractions \(\frac{4}{x+3}\) and \(\frac{7}{x+3}\)?
Back
The sum is \(\frac{11}{x+3}\).
2.
FLASHCARD QUESTION
Front
What system of linear inequalities is represented by the graph?
Back
The system is \(y \leq 2x - 1\) and \(y > -2x + 3\).
3.
FLASHCARD QUESTION
Front
Solve the inequality \((x+4)^2 \leq 36\).
Back
The solution is \(-10 \leq x \leq 2\).
4.
FLASHCARD QUESTION
Front
Multiply and simplify the rational expressions \(\frac{(x+3)(x+6)}{x+5} \cdot \frac{x-3}{(x+3)(x-3)}\).
Back
The simplified result is \(\frac{x+6}{x+5}\).
5.
FLASHCARD QUESTION
Front
Find the x-intercepts of the quadratic equation \(x^2 - 10x + 21 = 0\).
Back
The x-intercepts are \(x = 7\) and \(x = 3\).
6.
FLASHCARD QUESTION
Front
What is the definition of a rational expression?
Back
A rational expression is a fraction where the numerator and the denominator are polynomials.
7.
FLASHCARD QUESTION
Front
What is the quadratic formula?
Back
The quadratic formula is \(x = \frac{-b \pm \sqrt{b^2 - 4ac}}{2a}\) for the equation \(ax^2 + bx + c = 0\).
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