In Exercises 75-82, solve each quadratic equation using the quadratic formula. 75. x? + 8x + 15 = 0 76. x + &r + 12 = 0 77. x + 5x + 3 = 0 78. x + 5x + 2 = 0 79. 3x 81. 4x = 2x + 7 ? - 80. 5x + x - 2 = 0 82. 3x = 6x – 1 3x - 4 = 0

Q: Directions: Solve each quadratic equation below and check. 13. x^2 - 4x - 5 = 0 14. x^2 - 5x - 6 =…

A: x2-4x-5=0We know that roots of ax2+bx+c=0 are -b±b2-4ac2aForm here, a=1,b=-4 and…

Q: Please Demonstrate using the quadratic formula. 0 = 5x^2 - 5x - 38 The x obtained from the "plus"…

A:

Q: What are the roots of 2x³-8x-3=0? -7.9, -3, -0.38 -1.78,-0.39, 2.17 -3, -0.38, 2 -3, -2, 2

A:

Q: In Exercises 61-66, solve each quadratic equation by the square root property. 61. 3x? = 27 62. 5x?…

A: The square root method is generally used on equations that have the form ax2=c or ax+b2=c.   61. The…

Q: In Exercises 55-60, solve each quadratic equation by factoring. 55. x? - 3x – 10 = 0 56. x - 13x +…

A: 55. x2-3x-10=056. x2-13x+36=057. x2=8x-1558. x2=-11x-1059. 5x2=20x60. 3x2=12x

Q: Solve the equation for c 3c^2+19c+30=0

A:

Q: quadratic equation ax²+bx+c=0. Can be solved using the formula Refer also to Elaboration of Solving…

A: The given quadratic equation is

Q: In Exercises 45-50, solve each quadratic equation using the quadratic formula. Express solutions in…

A: “Since you have asked multiple question, we will solve the first question for you. If you want any…

Q: Suppose that f(1) = 2, f(4) = 8, f'(1) = 10, f'(4) = -3, and f" is continuous. Find the 4 value of…

A: We have to find the value of the given integral.

Q: solve the quadratic

A:

Q: In Exercises 67-74, solve each quadratic equation by completing the square. 67. x + 6x = 7 68. x +…

A: “Since you have posted a question with multiple sub-parts, we will solve the first three sub-parts…

Q: Solve the quadratic equation 9x^2-15x+6=0 by the method of completing the square

A:

Q: Arrange this quadratic equation in standard form (ax2+bx+c%3D0) and determine the value of a, b and…

A:

Q: write a quadratic equation in standard form that has roots of -12 and 2

A: Given, x= -12  Therefore, x+12=0 Here, (x+12) is one factor. Also given, x=2 Therefore, x-2=0 Here,…