3. The murderer's weight is double the sum. of the zeros of the following quadratic equations. 2x2 - 30x + 112 x2 - 27x + 170 x² - 23x + 90 Zero + Zero = Zero + Zero: %3D Zero + Zero = %3D Ibs Sum of Zeros =_G X 2 = 30

What is the value of the discriminant for the quadratic equation  4x2 -  25=0

find all real solutions of the polynomial equation 6x3+8x2-11x-6=0

Following a change of variable, the quadratic Q = 5x² - 12x₁x2 + 0x² can be expressed with no cross-product terms as Q = C₁y1 + c₂y. If we set c₁ > C₂. then c₁ = C₂ =

In this question and the one that follows, you will solve a quadratic by completing the square. Find the equation that results from completing the square in the following equation. x² + 6x-27= 0 Select the correct answer below: O (x+3)² = 36 O(x + 3)² = 18 O (x + 3)² = 16 O(x + 3)² = 30 O(x + 3)² = 25 O (x + 3)² = 64

If the quadratic expression 2x2 - 8x + 2 is written in the completed square form a(x + r)2 + s, what is the value of s?

This is our quadratic equation: 5x^2 - 10x - 45 = -5 Use the completing the square method to answers the following questions.   1.You do not need to do step one for this particular quadratic.. Single choice. true false   2.After doing (or not doing) step 1, your equation looks like which one? Single choice. x^2 - 2x - 9 = -1 5x^2 - 10x - 45 = -5   3.After doing step 2, the equation looks like which one? . Single choice. x^2 - 2x = 10 x^2 - 2x + 9 = -1 x^2 - 2x = 8 x^2 - 2x - 9 = -1   4.After doing step 3 the equation looks like which one? Single choice. x^2 - 2x = 8 x^2 - 2x + 1 = 9 x^2 - 2x + 10 = 8 x^2 - 2x + 1 = 10   5.After doing step 4, the equation looks like which one?  Single choice. (x - 3)(x + 3) = 8 (x - 1)^2 = 9 (x + 1)(x - 1) = 8 (x + 3)^2 = 9   6.A radical cancels. Single choice. a logarithm division the second power   7.When you take the square root of a number you always get. Single choice. a positive or…

Which of the following equations is a quadratic equation? O (x+5) (3x + 1) = 4 (-x4) %3D O 14x(x+1) = 15(x+4) (x- 1) %3D O 2x° = (2x - 1) (3x + 4) %3D O x* (x- 5) = 12 (x - 1) %3D