math

posted by .

Let x=3 Evaluate if possible: -2x^2

  • math -

    of coutrse it's possible. Just plug in 3 for x:

    -2(3^2) = -2(9) = -18

  • math -

    -2(9) = -18

Respond to this Question

First Name
School Subject
Your Answer

Similar Questions

  1. Math

    I'm supposed to evaluate the following equation in the real number system f possible : (-9)^1/2. The answer says it's not possible; why, I don't understand this.
  2. math(please help urgent)

    1) Find the values (if possible) of the six trigonometric functions of o if the terminal side of o lies on the given line in the specified quadrant. y=1/3x 2)Evaluate (if possible)the sine, cosine, and tangent of the angles without …
  3. math

    i need some serious help with limits in pre-calc. here are a few questions that i really do not understand. 1. Evaluate: lim (3x^3-2x^2+5) x--> -1 2. Evaluate: lim [ln(4x+1) x-->2 3. Evaluate: lim[cos(pi x/3)] x-->2 4. Evaluate: …
  4. Math

    Evaluate the following when x=-3, if possible. (a)-x (b)/x/ (c)-x^2 (d)-(1+x)
  5. math

    evaluate the following when x=-3, if possible /x/ -x^2 -(1+x)
  6. exponents math

    evaluate (-1)^3= evaluate -1^3= evaluate (-1)^2= evaluate -1^2=
  7. Algebra-Another question

    Evaluate 4log(4)8 Possible answers are: 4 0 8 1 Where do I start-I don't have an example to follow?
  8. algebra

    evaluate and if possible simplify x-5/15 for x=-5 18/-35 divide by 22/25
  9. math

    Use properties of logarithms to expand each logarithmic expression as much as possible. Where possible evaluate logarithmic expsressions without using a calculator. logb x^7
  10. Math. Need help

    1.if g=5 and k=1, evaluate 9+gk a. 13 b. 14 c. 15 d. 16 2.Evaluate a-b^2/b if a = 10 and b = 2. a. 1 b. 3 c. 8 d. 32 3.Evaluate 3xy^2 - y if x = 2 and y = 5. a. 26 b. 30 c. 120 d. 145 4.Evaluate 2d + d^2/3 if d = 6. a. 4 b. 12 c. 14 …

More Similar Questions