solve the following questions:

Question Answered step-by-step solve the following questions: solve the following questions:  Image transcription text> Determine the roots of each quadratic equation by completing the square. Round your answer to the nearest hundredth. Check your answer. 15 x2 + 4x – 6 =0 16 x2 – 2x – 4 =0 x2 + 4x = 6 x2 + 4x +4=6+4 (x+ 2)2 = 10 x +2 = +V10 X = -2+ V10 X = -2+V10 ~ 1.16 X =-2 – V10 ~ -5.16 The roots are approximately 1.16 and -5.16. Check: (1. 16) 2 + 4(1.16) -6~0 (-5.16)2 +4(-5.16)-6~0… Show more Image transcription textTOPIC 1 SOLVING QUADRATIC EQUATIONS SKILLS PRACTICE continued 17 x2 + 10x+ 2 =0 18 x2 – 12x + 25 = 0 19 x2 + 3x – 1= 0 20 x2 + x – 10 = 0 Carnegie Learning, Inc. Solving Quadratic Equations > Skills Practice191… Show more Image transcription texttinued PROBLEM SET 7: The Quadratic Formula > Determine the zeros or roots of each function or equation. 1 f(x) = x2 + 3x – 5 2 f(X ) =-3×2 -x+7 X = 3+ V(3)2 – 4(1)(-5) 2(1) -3+ 19 + 20 2 -3+ V29 2 X -3+V29 – or x – -3-V29 2 2 3 2×2 + 6x – 7 =2 4 4×2 – x – 1=5 5 f(X) = -8×2 + 2x + 1 6 3×2 + x + 3 = 5 7 f(x) = -2×2 – 8x+1 8 5×2 + 8x – 3=1 Carnegie Learning, Inc. 194 Solving Quadratic Equations > Skills Pra… Show more Image transcription textQUADRATIC EQUATIONS SKILLS PRACTICE continued 9 -3×2 + 6x+ 2 = -5 10 f( x ) = x2 + 6x +5 11 f(x) = -2×2 + 5x-1 12 -3×2 + 8x – 2=-6 13 f(x) = -x2 + 6x+7 14 2 x2 + 8x + 3 =-5 15 f( x) = 9×2 + 5x+ 1 16 6×2 + 3x – 5= 2 Carnegie Learning, Inc. 18 f( x ) = 7×2 + 9x +5 17 f(x) = 5×2 + 10x +5 Solving Quadratic Equations > Skills Practice 195… Show more  Math Trigonometry MATH MISC Share QuestionEmailCopy link Comments (0)