In Math / Junior High School | 2024-09-03

1. What is the value of b in the quadratic equation 7x² - 2x + 15 = 2?A. 15B. 7C. 2D. -22. What is the quadratic equation given the values of a = 2, b= -3 c= 1?A. 2x2 3x+1=0-B. 2x2 + 3x 1=0C. x2+3x-2=0D. x²+2x-3=03. What are the roots of the quadratic equation x² - 121 = 0?A. 1 and 121B. 11 and 11C. 1 and -121D. 11 and 11Prin4. Which of the following roots of a quadratic equation is a perfect square?A. 3B. 4C. 7D. 8.5. Which are the roots of a quadratic equation x2 + 7x + 12 = 0?A. -4, -3B. -4, 3C. 4, -3D. 4, 3WPStion ve6. What is the value of the discriminant of a quadratic equation x2+x+1= 0?A -4B. -3C. -2D. -17. The value of the discriminant of a quadratic equation is perfect square. WhatA. real numbers and equalB. rational numbers and not equalC. irrational numbers and not equalD. no real roots8. What is the sum of the roots of quadratic equation?ہےབıe Î[ [-leنD.​

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