Algebra

how many real number solutions does this equation have? -7x^2+6x+3=0

How many real number solutions does the equation have? 0=3x^2+18x+27

  1. 👍
  2. 👎
  3. 👁
  1. a. B^2-4AC = 36-(-84) = 120.
    The discriminant is positive. Therefore, we have 2 real solutions.

    b. B^2-4AC = 324-324 = 0. 1 real solution.

    1. 👍
    2. 👎

Respond to this Question

First Name

Your Response

Similar Questions

  1. ALGEBRA CHECK ANSWERS

    Solve each equation by graphing the related function. If the equation has no real-number solution, write no solution. NOTE: when I write + it has a minus on the bottom too x^2+7=0 a. x= +7 b. x = +3.5 c. x= 0 d. no solution ***

  2. Algebra

    Compute the value of the discriminant and give the number of real solutions to the quadratic equation. 2x^2+5x-7=0 Discrimnant= number of real solutions=

  3. Algebra

    How many real number solutions does the equation have? 0 = -7x^2 + 6x + 3 one solution two solutions** no solution How many real number solutions does the equation have? 0 = 2x^2 - 20x + 50 one solution two solutions no solution**

  4. math

    Use the discriminant to determine whether the quadratic equation has two unequal real​ solutions, a repeated real​ solution, or no real​ solution, without solving the equation. 5x^2-2x+6=0 A. Two Unequal Solutions B. One

  1. Algebra II

    How many real solutions does the function shown on the graph have? a) no real solutions b) one real solution c) two real solutions d) cannot be determined ___________________________ y = (x+2)^2 + 3 is shown on the graph. I am

  2. algerba

    What is the value of the discriminant, b2 − 4ac, for the quadratic equation 0 = −2x2 − 3x + 8, and what does it mean about the number of real solutions the equation has? What are the solutions to the quadratic equation 4(x +

  3. Algebra HELP:(

    Use the discriminant to determine how many real-number solutions the equation has. 36x2 - 12x + 1 = 0 How do I do this?

  4. math-calculus

    which of following statements is false 1. The absolute value of a real number is the principal square root of the square of the number. 2. The absolute value of a real number is the distance of the number from zero on a number

  1. College Algebra

    Consider only the discriminant, b2 - 4ac, to determine whether one real-number solution, two different real-number solutions, or two different imaginary-number solutions. 2x2 = -2 -5 Thank you

  2. algebra

    how many real number solutions does the equation have? -8x^2-8x-2=0 the answer is 1, but why please and thank you

  3. Algebra 2

    1. The roots of the quadratic equation z^2 + az + b = 0 are 2 - 3i and 2 + 3i. What is a+b? 2. Find all pairs of real numbers (x,y) such that x + y = 6 and x^2 + y^2 = 28. If you find more than one pair, then list your pairs in

  4. Algebra 2a

    Help please! 1. What are the real or imaginary solutions of the polynomial equation? x^4-52x^2+576=0 A) 4,-4 B) 4,-6 C) 4,-4,6,-6 D) no solutions 2. What are the real or imaginary solutions of the polynomial equation? x^3=216 A)

You can view more similar questions or ask a new question.