What are the exact solutions? x^2+4x+4=36 I have -34,-38 Is this right?

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    1)Find the exact solutions of the system of equations x^2 + 2y^2 = 18 and x = 2y. x=2y x^2+2y^2=18 (2y)^2+2y^2=18 4y^2+2y^2=18 6y^2=18 y^2=3 y=+-ã3 x=2(+-ã3) x=+-2ã3 (+-2sqrt3,+-sqrt3) 2)Simplify, (d/(d^2-9)) + (5/(2d+6)) [d / (d^2 - 9)] + [5 /

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    Find the exact solutions to 6x^2+x+4=0 by using the quadratic formula. x=-b+-sqrtb^2-4ac/2a -1+-sqrt1^2-4(6)(4)/2(6) -1+-sqrt-95/12 -1-95/12 -96/12 x= -8 -1+95/12 94/12= 7.8333.. [-8, 7.83](answer)

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  43. Algebra

    Consider the equation: 4x^2 – 16x + 25 = 0 (a) Show how to compute the discriminant, b^2 – 4ac, and then state whether there is one real-number solution, two different real-number solutions, or two different imaginary-number solutions. (b) Use the

  44. algebra

    What are the exact solutions? x^2+4x+4=36 I have -34,-38 Is this right?

  45. Algebra 2

    How do you find the exact solutions of x^2 -(y - 6)^2 = 36 and y = -x^2?

  46. Algebra 2

    Find the exact solutions of x^2 - (y - 6)^2 = 36 and y = -x^2. (0,0), (6,6), and (-6,6)?

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  76. Algebra II

    Find the exact solutions to the quadratic equation in the complex numbers. (x-13)²=-36 HELP ME PLEASE!

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  83. Algebra 2

    Hey, I just have two questions, Thanks. 1. Find the exact solutions of x² - (y - 6)² = 36 and y = -x² 2. Solve the system,4x² + y² = 20 and y = 4x.

  84. algebra

    Please Help me solve this problem... Give exact and approximate solutions to three decimals places. x^2 + 3x - 7 = 0 Thanks!!!

  85. college algebra

    Solve the exponential equation. Express your solutions in exact form only. Please show all of your work. 3^x-70*3^-x=9

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  93. algebra

    Evaluate giving exact values and identities. Calculator based solutions are not acceptable. Thanks for any help cos (7pi/12)

  94. trig

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  95. algebra

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  96. Math- Algebra

    This one showed up in the middle of my quadratic equations. There is no y or 0. What am I supposed to do with it? Give exact and approximate solutions to three decimal places. (x+5)^2=81

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  99. Algebra

    Give exact approximate solutions? HUH? to three decimal places. y^2-20y+100=64 In terms of i and use radicals if needed. :-) Thanks

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