Pregunta
Write "True" if the statement is correct or "false "if it is incorrect on the space provided. \( \qquad \) 1. If the discriminate \( D=b^{2}-4 a c>0 \), then the quadratic equation \( a x^{2}+b x+c=0, a \neq 0 \) has two distininct roots, \( \qquad \) 2. The solution set of \( 2 x^{2}-5 x+2=0 \) is \( \left\{\frac{1}{2}, 2\right\} \). \( \qquad \) 3. The solution set \( |3 x-1|<0 \) is the set of real numbers. \( \qquad \) 4. If the absolute value greater than or equal to zero, then the solution set is the set of real numbers. \( \qquad \) 5. The solution set of \( x^{2}-x \geq 12 \) is \( [-3,12] \) II. Choose the correct answer from the given alternatives and write the letter of your correct choice space provided. \( \qquad \) 6. If xis a natural number then the solution set for inequality \( 3 x+7<6 \) is A. \( (1,2) \) B. \( [2,3] \) C. \( (-0,1,2,3) \) D. \( (4,5,6,-) \) \( \qquad \) 7. Which of the following is the solution for the inequality \( |3 x+7| \leq 5 \) ? A \( \frac{2}{3} \leq x \leq 4 \) B. \( x \leq \frac{-2}{3} \) C. \( x \leq-4 \) D. \( 4 \leq x \leq \frac{-2}{3} \) \( \qquad \) 8. Which of the following point is a eolution to the inequality \( \left\{\begin{array}{l}x-2 y>-1 \\ 3 x-y<-3\end{array}\right. \) ? A. \( (2,1) \) B. \( (-2,-1) \) D. \( (-2,-1) \) \( \qquad \) 9. Which of the following is not true? For appositive real number a A. The eolution of \( |x|a \) means \( x>a \) or \( x<-a \) D. The solution of \( |x|<0 \) is the sot of roal number \( \qquad \) 10. What is the solution set of \( 2 x^{2}+4 x+1=0 \) A. \( \left\{\frac{\sqrt{2}}{2}, \frac{\sqrt{2}}{2}\right\} \) B. \( \left\{-1 \frac{\sqrt{2}}{2},-1+\frac{\sqrt{2}}{2}\right] \) C. \( \odot \) D. \( (-1+\sqrt{2}, 1-\sqrt{2}) \) \( \qquad \) C. 3 \( \qquad \) A. 4 B. -4 \( \qquad \) 12. From question number 11 what is the velue of \( k \) ? B. 14 C. 3.5 D. -3.5 \( \qquad \) A. 7 13 3. What is the dimession of rectangle whose perimetere is 26 cm and, whose area is D. None \( 40 \mathrm{~cm}^{2} \) C. 11 and 15 A. 8 and 5 B. 7 and 6 \( \qquad \) 14. What is the solution set of \( |2 x-16| \leq 0 \) C. \( (-\infty, \infty) \) D. \( (0) \) A. 0 B. \( { }^{8} 8 \)
Ask by Jimenez Norton. in Kenya
Mar 09,2025
Solución de inteligencia artificial de Upstudy
Respuesta verificada por el tutor
Responder
1. True
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Solución

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1. True 2. False 3. False 4. True 5. False 6. C 7. A 8. A 9. D 10. B 11. C 12. B 13. A 14. D

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