Pregunta
Choose all of the correct answers: How many solutions are there to the inequality \( 3 x+13<-26 \) ? No more than 1,000 Infinite 13 26 More than the number of solutions to \( 3 x+13=-26 \)
Ask by Gardner Savage. in Japan
Jan 24,2025
Solución de tutoría real
Respuesta verificada por el tutor
Responder
The correct answers are "Infinite" and "More than the number of solutions to \( 3x +13=-26 \)."
Solución
To determine the number of solutions to the inequality \( 3x + 13 < -26 \), let's solve it step by step:
1. **Solve the Inequality:**
\[
3x + 13 < -26
\]
Subtract 13 from both sides:
\[
3x < -39
\]
Divide by 3:
\[
x < -13
\]
The inequality \( x < -13 \) has **infinitely many real solutions** since there are no restrictions on how small \( x \) can be, as long as it's less than -13.
2. **Compare with the Equation \( 3x + 13 = -26 \):**
Solving the equation:
\[
3x + 13 = -26 \implies 3x = -39 \implies x = -13
\]
The equation has exactly **one solution** (\( x = -13 \)).
3. **Assess the Options:**
- **No more than 1,000:** This is incorrect because there are infinitely many solutions.
- **Infinite:** Correct, as there are infinitely many solutions.
- **13:** Incorrect; this refers to a specific number, not the number of solutions.
- **26:** Incorrect for the same reason as above.
- **More than the number of solutions to \( 3x + 13 = -26 \):** Correct, since the inequality has infinitely many solutions compared to the one solution of the equation.
**Correct Answers:**
- Infinite
- More than the number of solutions to \( 3x +13=-26 \)
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Beyond the Answer
To solve the inequality \( 3x + 13 < -26 \), we first isolate \( x \) by subtracting 13 from both sides, giving us \( 3x < -39 \). Then, dividing by 3 yields \( x < -13 \). This means there are infinitely many solutions in the form of all numbers less than -13! As for the equation \( 3x + 13 = -26 \), solving this gives a singular solution of \( x = -13 \). The inequality has more solutions than the equation because it covers all values up to, but not including, -13. So, we can confidently say there are more solutions to the inequality!
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